23272973 has 2 divisors, whose sum is σ = 23272974. Its totient is φ = 23272972.

The previous prime is 23272969. The next prime is 23272979. The reversal of 23272973 is 37927232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22915369 + 357604 = 4787^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 23272973 - 2² = 23272969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23272979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11636486 + 11636487.

It is an arithmetic number, because the mean of its divisors is an integer number (11636487).

Almost surely, 2^23272973 is an apocalyptic number.

It is an amenable number.

23272973 is a deficient number, since it is larger than the sum of its proper divisors (1).

23272973 is an equidigital number, since it uses as much as digits as its factorization.

23272973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 35.

The square root of 23272973 is about 4824.2069814634. The cubic root of 23272973 is about 285.5073470464.

The spelling of 23272973 in words is "twenty-three million, two hundred seventy-two thousand, nine hundred seventy-three".