123232001 has 4 divisors (see below), whose sum is σ = 124502532. Its totient is φ = 121961472.

The previous prime is 123231973. The next prime is 123232027. The reversal of 123232001 is 100232321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80982001 + 42250000 = 8999^2 + 6500^2 .

It is a cyclic number.

It is not a de Polignac number, because 123232001 - 2²² = 119037697 is a prime.

It is a super-2 number, since 2×123232001² = 30372252140928002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123232051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635120 + ... + 635313.

It is an arithmetic number, because the mean of its divisors is an integer number (31125633).

Almost surely, 2^123232001 is an apocalyptic number.

It is an amenable number.

123232001 is a deficient number, since it is larger than the sum of its proper divisors (1270531).

123232001 is an equidigital number, since it uses as much as digits as its factorization.

123232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270530.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123232001 is about 11100.9909917989. The cubic root of 123232001 is about 497.6314658081.

Adding to 123232001 its reverse (100232321), we get a palindrome (223464322).

It can be divided in two parts, 1232 and 32001, that added together give a palindrome (33233).

The spelling of 123232001 in words is "one hundred twenty-three million, two hundred thirty-two thousand, one".