123022310204451 has 16 divisors (see below), whose sum is σ = 192529123821824. Its totient is φ = 68398504514784.

The previous prime is 123022310204429. The next prime is 123022310204471. The reversal of 123022310204451 is 154402013220321.

It is a happy number.

It is not a de Polignac number, because 123022310204451 - 2¹¹ = 123022310202403 is a prime.

It is a super-2 number, since 2×123022310204451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123022310204411) 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, 79164935005 + ... + 79164936558.

It is an arithmetic number, because the mean of its divisors is an integer number (12033070238864).

Almost surely, 2^{123022310204451} is an apocalyptic number.

123022310204451 is a deficient number, since it is larger than the sum of its proper divisors (69506813617373).

123022310204451 is a wasteful number, since it uses less digits than its factorization.

123022310204451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158329871610.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 123022310204451 its reverse (154402013220321), we get a palindrome (277424323424772).

The spelling of 123022310204451 in words is "one hundred twenty-three trillion, twenty-two billion, three hundred ten million, two hundred four thousand, four hundred fifty-one".