23697420939 has 16 divisors (see below), whose sum is σ = 36955043200. Its totient is φ = 14966791848.

The previous prime is 23697420931. The next prime is 23697420947. The reversal of 23697420939 is 93902479632.

23697420939 is a `hidden beast` number, since 2 + 369 + 74 + 209 + 3 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (23697420931) and next prime (23697420947).

It is not a de Polignac number, because 23697420939 - 2³ = 23697420931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23697420931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23096389 + ... + 23097414.

It is an arithmetic number, because the mean of its divisors is an integer number (2309690200).

Almost surely, 2^23697420939 is an apocalyptic number.

23697420939 is a deficient number, since it is larger than the sum of its proper divisors (13257622261).

23697420939 is a wasteful number, since it uses less digits than its factorization.

23697420939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46193831 (or 46193825 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 23697420939 in words is "twenty-three billion, six hundred ninety-seven million, four hundred twenty thousand, nine hundred thirty-nine".