22563651401423 has 24 divisors (see below), whose sum is σ = 26135924155488. Its totient is φ = 19426303160000.

The previous prime is 22563651401419. The next prime is 22563651401443. The reversal of 22563651401423 is 32410415636522.

It is not a de Polignac number, because 22563651401423 - 2² = 22563651401419 is a prime.

It is a super-2 number, since 2×22563651401423² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22563651401443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39855908 + ... + 40418073.

It is an arithmetic number, because the mean of its divisors is an integer number (1088996839812).

Almost surely, 2^{22563651401423} is an apocalyptic number.

22563651401423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22563651401423 is a deficient number, since it is larger than the sum of its proper divisors (3572272754065).

22563651401423 is a wasteful number, since it uses less digits than its factorization.

22563651401423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80274127 (or 80274116 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 22563651401423 in words is "twenty-two trillion, five hundred sixty-three billion, six hundred fifty-one million, four hundred one thousand, four hundred twenty-three".