1232551155023 has 16 divisors (see below), whose sum is σ = 1343702306304. Its totient is φ = 1125852203520.

The previous prime is 1232551154971. The next prime is 1232551155041. The reversal of 1232551155023 is 3205511552321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1232551155023 - 2²² = 1232546960719 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 (1232551155053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2218223 + ... + 2717648.

It is an arithmetic number, because the mean of its divisors is an integer number (83981394144).

Almost surely, 2^{1232551155023} is an apocalyptic number.

1232551155023 is a deficient number, since it is larger than the sum of its proper divisors (111151151281).

1232551155023 is a wasteful number, since it uses less digits than its factorization.

1232551155023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936322.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1232551155023 in words is "one trillion, two hundred thirty-two billion, five hundred fifty-one million, one hundred fifty-five thousand, twenty-three".