123354202214451 has 96 divisors (see below), whose sum is σ = 188836323840000. Its totient is φ = 71443457205120.

The previous prime is 123354202214447. The next prime is 123354202214533. The reversal of 123354202214451 is 154412202453321.

It is not a de Polignac number, because 123354202214451 - 2² = 123354202214447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (123354202214951) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 412988280 + ... + 413286858.

It is an arithmetic number, because the mean of its divisors is an integer number (1967045040000).

Almost surely, 2^{123354202214451} is an apocalyptic number.

123354202214451 is a deficient number, since it is larger than the sum of its proper divisors (65482121625549).

123354202214451 is a wasteful number, since it uses less digits than its factorization.

123354202214451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299201 (or 299188 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 123354202214451 its reverse (154412202453321), we get a palindrome (277766404667772).

The spelling of 123354202214451 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred two million, two hundred fourteen thousand, four hundred fifty-one".