23431970 has 32 divisors (see below), whose sum is σ = 43946496. Its totient is φ = 8985600.

The previous prime is 23431943. The next prime is 23431973. The reversal of 23431970 is 7913432.

It is not an unprimeable number, because it can be changed into a prime (23431973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40322 + ... + 40898.

It is an arithmetic number, because the mean of its divisors is an integer number (1373328).

Almost surely, 2^23431970 is an apocalyptic number.

23431970 is a deficient number, since it is larger than the sum of its proper divisors (20514526).

23431970 is a wasteful number, since it uses less digits than its factorization.

23431970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23431970 is about 4840.6580131218. The cubic root of 23431970 is about 286.1560512421.

The spelling of 23431970 in words is "twenty-three million, four hundred thirty-one thousand, nine hundred seventy".