23460477940 has 48 divisors (see below), whose sum is σ = 51454424448. Its totient is φ = 8968260224.

The previous prime is 23460477899. The next prime is 23460477949. The reversal of 23460477940 is 4977406432.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23460477949) 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, 513054 + ... + 556906.

It is an arithmetic number, because the mean of its divisors is an integer number (1071967176).

Almost surely, 2^23460477940 is an apocalyptic number.

23460477940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23460477940 is an abundant number, since it is smaller than the sum of its proper divisors (27993946508).

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

23460477940 is a wasteful number, since it uses less digits than its factorization.

23460477940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45048 (or 45046 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 23460477940 in words is "twenty-three billion, four hundred sixty million, four hundred seventy-seven thousand, nine hundred forty".