13161622023 has 24 divisors (see below), whose sum is σ = 21130845840. Its totient is φ = 7826232960.

The previous prime is 13161622021. The next prime is 13161622027. The reversal of 13161622023 is 32022616131.

13161622023 is a `hidden beast` number, since 1 + 3 + 1 + 616 + 2 + 20 + 23 = 666.

It is not a de Polignac number, because 13161622023 - 2¹ = 13161622021 is a prime.

It is a super-2 number, since 2×13161622023² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161622021) 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, 1248958 + ... + 1259451.

It is an arithmetic number, because the mean of its divisors is an integer number (880451910).

Almost surely, 2^13161622023 is an apocalyptic number.

13161622023 is a deficient number, since it is larger than the sum of its proper divisors (7969223817).

13161622023 is a wasteful number, since it uses less digits than its factorization.

13161622023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508479 (or 2508476 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 13161622023 in words is "thirteen billion, one hundred sixty-one million, six hundred twenty-two thousand, twenty-three".