123245020552535 has 64 divisors (see below), whose sum is σ = 176500921708800. Its totient is φ = 80827157225472.

The previous prime is 123245020552531. The next prime is 123245020552553. The reversal of 123245020552535 is 535255020542321.

It is a happy number.

It is not a de Polignac number, because 123245020552535 - 2² = 123245020552531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123245020552531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195699377 + ... + 196328133.

It is an arithmetic number, because the mean of its divisors is an integer number (2757826901700).

Almost surely, 2^{123245020552535} is an apocalyptic number.

123245020552535 is a deficient number, since it is larger than the sum of its proper divisors (53255901156265).

123245020552535 is a wasteful number, since it uses less digits than its factorization.

123245020552535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630620.

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 123245020552535 in words is "one hundred twenty-three trillion, two hundred forty-five billion, twenty million, five hundred fifty-two thousand, five hundred thirty-five".