123013167215551 has 2 divisors, whose sum is σ = 123013167215552. Its totient is φ = 123013167215550.

The previous prime is 123013167215489. The next prime is 123013167215591. The reversal of 123013167215551 is 155512761310321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123013167215551 - 2⁹ = 123013167215039 is a prime.

It is a super-2 number, since 2×123013167215551² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123013167215498 and 123013167215507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123013167215591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506583607775 + 61506583607776.

It is an arithmetic number, because the mean of its divisors is an integer number (61506583607776).

Almost surely, 2^{123013167215551} is an apocalyptic number.

123013167215551 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013167215551 is an equidigital number, since it uses as much as digits as its factorization.

123013167215551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 123013167215551 in words is "one hundred twenty-three trillion, thirteen billion, one hundred sixty-seven million, two hundred fifteen thousand, five hundred fifty-one".