123432523355 has 16 divisors (see below), whose sum is σ = 150945410304. Its totient is φ = 96862546560.

The previous prime is 123432523321. The next prime is 123432523397. The reversal of 123432523355 is 553325234321.

It is a de Polignac number, because none of the positive numbers 2^k-123432523355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284182 + ... + 1376948.

It is an arithmetic number, because the mean of its divisors is an integer number (9434088144).

Almost surely, 2^123432523355 is an apocalyptic number.

123432523355 is a deficient number, since it is larger than the sum of its proper divisors (27512886949).

123432523355 is an equidigital number, since it uses as much as digits as its factorization.

123432523355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97846.

The product of its digits is 324000, while the sum is 38.

Adding to 123432523355 its reverse (553325234321), we get a palindrome (676757757676).

The spelling of 123432523355 in words is "one hundred twenty-three billion, four hundred thirty-two million, five hundred twenty-three thousand, three hundred fifty-five".