23672550 has 48 divisors (see below), whose sum is σ = 64049472. Its totient is φ = 5738400.

The previous prime is 23672531. The next prime is 23672557. The reversal of 23672550 is 5527632.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23672557) 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, 5524 + ... + 8823.

It is an arithmetic number, because the mean of its divisors is an integer number (1334364).

Almost surely, 2^23672550 is an apocalyptic number.

23672550 is an abundant number, since it is smaller than the sum of its proper divisors (40376922).

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

23672550 is a wasteful number, since it uses less digits than its factorization.

23672550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14373 (or 14368 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 23672550 is about 4865.4444812370. Note that the first 4 decimals coincide. The cubic root of 23672550 is about 287.1320560845.

The spelling of 23672550 in words is "twenty-three million, six hundred seventy-two thousand, five hundred fifty".