23221035154432 has 22 divisors (see below), whose sum is σ = 46419393518768. Its totient is φ = 11610517576704.

The previous prime is 23221035154397. The next prime is 23221035154451. The reversal of 23221035154432 is 23445153012232.

It is a junction number, because it is equal to n+sod(n) for n = 23221035154391 and 23221035154400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11338395048 + ... + 11338397095.

Almost surely, 2^{23221035154432} is an apocalyptic number.

It is an amenable number.

23221035154432 is a deficient number, since it is larger than the sum of its proper divisors (23198358364336).

23221035154432 is an equidigital number, since it uses as much as digits as its factorization.

23221035154432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22676792163 (or 22676792145 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 23221035154432 its reverse (23445153012232), we get a palindrome (46666188166664).

The spelling of 23221035154432 in words is "twenty-three trillion, two hundred twenty-one billion, thirty-five million, one hundred fifty-four thousand, four hundred thirty-two".