23534780 has 24 divisors (see below), whose sum is σ = 50476608. Its totient is φ = 9213248.

The previous prime is 23534767. The next prime is 23534801. The reversal of 23534780 is 8743532.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11579 + ... + 13458.

It is an arithmetic number, because the mean of its divisors is an integer number (2103192).

Almost surely, 2^23534780 is an apocalyptic number.

23534780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23534780 is an abundant number, since it is smaller than the sum of its proper divisors (26941828).

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

23534780 is a wasteful number, since it uses less digits than its factorization.

23534780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25093 (or 25091 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 23534780 is about 4851.2658141974. The cubic root of 23534780 is about 286.5739529515.

The spelling of 23534780 in words is "twenty-three million, five hundred thirty-four thousand, seven hundred eighty".