123036602453 has 4 divisors (see below), whose sum is σ = 123039540000. Its totient is φ = 123033664908.

The previous prime is 123036602441. The next prime is 123036602461. The reversal of 123036602453 is 354206630321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123036602453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123036602473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405025 + ... + 1490022.

It is an arithmetic number, because the mean of its divisors is an integer number (30759885000).

Almost surely, 2^123036602453 is an apocalyptic number.

It is an amenable number.

123036602453 is a deficient number, since it is larger than the sum of its proper divisors (2937547).

123036602453 is an equidigital number, since it uses as much as digits as its factorization.

123036602453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937546.

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 123036602453 in words is "one hundred twenty-three billion, thirty-six million, six hundred two thousand, four hundred fifty-three".