123545118162 has 32 divisors (see below), whose sum is σ = 249074952192. Its totient is φ = 40851022464.

The previous prime is 123545118161. The next prime is 123545118199. The reversal of 123545118162 is 261811545321.

It is a self number, because there is not a number n which added to its sum of digits gives 123545118162.

It is not an unprimeable number, because it can be changed into a prime (123545118161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9531478 + ... + 9544430.

It is an arithmetic number, because the mean of its divisors is an integer number (7783592256).

Almost surely, 2^123545118162 is an apocalyptic number.

123545118162 is an abundant number, since it is smaller than the sum of its proper divisors (125529834030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123545118162 is a wasteful number, since it uses less digits than its factorization.

123545118162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25602.

The product of its digits is 57600, while the sum is 39.

The spelling of 123545118162 in words is "one hundred twenty-three billion, five hundred forty-five million, one hundred eighteen thousand, one hundred sixty-two".