123255441025151 has 16 divisors (see below), whose sum is σ = 130737869982720. Its totient is φ = 115798813004160.

The previous prime is 123255441025147. The next prime is 123255441025183. The reversal of 123255441025151 is 151520144552321.

It is a cyclic number.

It is not a de Polignac number, because 123255441025151 - 2² = 123255441025147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123255441025099 and 123255441025108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123255441025141) 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, 406445540 + ... + 406748678.

It is an arithmetic number, because the mean of its divisors is an integer number (8171116873920).

Almost surely, 2^{123255441025151} is an apocalyptic number.

123255441025151 is a deficient number, since it is larger than the sum of its proper divisors (7482428957569).

123255441025151 is a wasteful number, since it uses less digits than its factorization.

123255441025151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345614.

The product of its (nonzero) digits is 240000, while the sum is 41.

Adding to 123255441025151 its reverse (151520144552321), we get a palindrome (274775585577472).

The spelling of 123255441025151 in words is "one hundred twenty-three trillion, two hundred fifty-five billion, four hundred forty-one million, twenty-five thousand, one hundred fifty-one".