23023657620 has 48 divisors (see below), whose sum is σ = 71629158720. Its totient is φ = 6139641888.

The previous prime is 23023657619. The next prime is 23023657621. The reversal of 23023657620 is 2675632032.

It is a happy number.

23023657620 is a `hidden beast` number, since 2 + 3 + 0 + 23 + 6 + 5 + 7 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (23023657619) and next prime (23023657621).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023657621) 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, 21317662 + ... + 21318741.

It is an arithmetic number, because the mean of its divisors is an integer number (1492274140).

Almost surely, 2^23023657620 is an apocalyptic number.

23023657620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23023657620 is an abundant number, since it is smaller than the sum of its proper divisors (48605501100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23023657620 is a wasteful number, since it uses less digits than its factorization.

23023657620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42636421 (or 42636413 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 23023657620 in words is "twenty-three billion, twenty-three million, six hundred fifty-seven thousand, six hundred twenty".