23021661232426 has 32 divisors (see below), whose sum is σ = 36851140771200. Its totient is φ = 10754678603520.

The previous prime is 23021661232417. The next prime is 23021661232441. The reversal of 23021661232426 is 62423216612032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32070291 + ... + 32780281.

It is an arithmetic number, because the mean of its divisors is an integer number (1151598149100).

Almost surely, 2^{23021661232426} is an apocalyptic number.

23021661232426 is a deficient number, since it is larger than the sum of its proper divisors (13829479538774).

23021661232426 is a wasteful number, since it uses less digits than its factorization.

23021661232426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721774.

The product of its (nonzero) digits is 248832, while the sum is 40.

Adding to 23021661232426 its reverse (62423216612032), we get a palindrome (85444877844458).

The spelling of 23021661232426 in words is "twenty-three trillion, twenty-one billion, six hundred sixty-one million, two hundred thirty-two thousand, four hundred twenty-six".