23472389 has 2 divisors, whose sum is σ = 23472390. Its totient is φ = 23472388.

The previous prime is 23472349. The next prime is 23472409. The reversal of 23472389 is 98327432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17430625 + 6041764 = 4175^2 + 2458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23472389 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23472329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11736194 + 11736195.

It is an arithmetic number, because the mean of its divisors is an integer number (11736195).

Almost surely, 2^23472389 is an apocalyptic number.

It is an amenable number.

23472389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23472389 is an equidigital number, since it uses as much as digits as its factorization.

23472389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 23472389 is about 4844.8311632089. The cubic root of 23472389 is about 286.3204917829.

The spelling of 23472389 in words is "twenty-three million, four hundred seventy-two thousand, three hundred eighty-nine".