23133242213531 has 2 divisors, whose sum is σ = 23133242213532. Its totient is φ = 23133242213530.

The previous prime is 23133242213507. The next prime is 23133242213633. The reversal of 23133242213531 is 13531224233132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23133242213531 - 2³⁸ = 22858364306587 is a prime.

It is a super-2 number, since 2×23133242213531² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23133242213491 and 23133242213500.

It is not a weakly prime, because it can be changed into another prime (23133242219531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566621106765 + 11566621106766.

It is an arithmetic number, because the mean of its divisors is an integer number (11566621106766).

Almost surely, 2^{23133242213531} is an apocalyptic number.

23133242213531 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133242213531 is an equidigital number, since it uses as much as digits as its factorization.

23133242213531 is an odious number, because the sum of its binary digits is odd.

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

Adding to 23133242213531 its reverse (13531224233132), we get a palindrome (36664466446663).

The spelling of 23133242213531 in words is "twenty-three trillion, one hundred thirty-three billion, two hundred forty-two million, two hundred thirteen thousand, five hundred thirty-one".