123253361546655 has 16 divisors (see below), whose sum is σ = 197205652159200. Its totient is φ = 65735034930048.

The previous prime is 123253361546639. The next prime is 123253361546659. The reversal of 123253361546655 is 556645163352321.

It is not a de Polignac number, because 123253361546655 - 2⁴ = 123253361546639 is a prime.

It is a super-2 number, since 2×123253361546655² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123253361546595 and 123253361546604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123253361546659) 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, 6278949 + ... + 16909521.

It is an arithmetic number, because the mean of its divisors is an integer number (12325353259950).

Almost surely, 2^{123253361546655} is an apocalyptic number.

123253361546655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123253361546655 is a deficient number, since it is larger than the sum of its proper divisors (73952290612545).

123253361546655 is a wasteful number, since it uses less digits than its factorization.

123253361546655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403530.

The product of its digits is 58320000, while the sum is 57.

The spelling of 123253361546655 in words is "one hundred twenty-three trillion, two hundred fifty-three billion, three hundred sixty-one million, five hundred forty-six thousand, six hundred fifty-five".