23420038 has 16 divisors (see below), whose sum is σ = 36290304. Its totient is φ = 11327040.

The previous prime is 23420021. The next prime is 23420039. The reversal of 23420038 is 83002432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13306 + ... + 14962.

It is an arithmetic number, because the mean of its divisors is an integer number (2268144).

Almost surely, 2^23420038 is an apocalyptic number.

23420038 is a deficient number, since it is larger than the sum of its proper divisors (12870266).

23420038 is a wasteful number, since it uses less digits than its factorization.

23420038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23420038 is about 4839.4253791127. The cubic root of 23420038 is about 286.1074709800.

The spelling of 23420038 in words is "twenty-three million, four hundred twenty thousand, thirty-eight".