23507487 has 12 divisors (see below), whose sum is σ = 35126520. Its totient is φ = 15131088.

The previous prime is 23507479. The next prime is 23507489. The reversal of 23507487 is 78470532.

It is not a de Polignac number, because 23507487 - 2³ = 23507479 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23507489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44773 + ... + 45294.

It is an arithmetic number, because the mean of its divisors is an integer number (2927210).

Almost surely, 2^23507487 is an apocalyptic number.

23507487 is a deficient number, since it is larger than the sum of its proper divisors (11619033).

23507487 is a wasteful number, since it uses less digits than its factorization.

23507487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90102 (or 90099 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 23507487 is about 4848.4520210063. The cubic root of 23507487 is about 286.4631313174.

The spelling of 23507487 in words is "twenty-three million, five hundred seven thousand, four hundred eighty-seven".