23272390 has 8 divisors (see below), whose sum is σ = 41890320. Its totient is φ = 9308952.

The previous prime is 23272387. The next prime is 23272391. The reversal of 23272390 is 9327232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23272391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163610 + ... + 1163629.

It is an arithmetic number, because the mean of its divisors is an integer number (5236290).

Almost surely, 2^23272390 is an apocalyptic number.

23272390 is a deficient number, since it is larger than the sum of its proper divisors (18617930).

23272390 is a wasteful number, since it uses less digits than its factorization.

23272390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327246.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23272390 is about 4824.1465566461. The cubic root of 23272390 is about 285.5049629910.

The spelling of 23272390 in words is "twenty-three million, two hundred seventy-two thousand, three hundred ninety".