23920234 has 16 divisors (see below), whose sum is σ = 39027240. Its totient is φ = 10929600.

The previous prime is 23920229. The next prime is 23920277. The reversal of 23920234 is 43202932.

It can be written as a sum of positive squares in 4 ways, for example, as 18088009 + 5832225 = 4253^2 + 2415^2 .

It is a super-2 number, since 2×23920234² = 1144355189229512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23920199 and 23920208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929 + ... + 7180.

Almost surely, 2^23920234 is an apocalyptic number.

23920234 is a deficient number, since it is larger than the sum of its proper divisors (15107006).

23920234 is a wasteful number, since it uses less digits than its factorization.

23920234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9225.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23920234 is about 4890.8316266255. The cubic root of 23920234 is about 288.1299969332.

The spelling of 23920234 in words is "twenty-three million, nine hundred twenty thousand, two hundred thirty-four".