23857038 has 16 divisors (see below), whose sum is σ = 53015760. Its totient is φ = 7952328.

The previous prime is 23857037. The next prime is 23857051. The reversal of 23857038 is 83075832.

It is a junction number, because it is equal to n+sod(n) for n = 23856993 and 23857011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23857033) 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, 220845 + ... + 220952.

It is an arithmetic number, because the mean of its divisors is an integer number (3313485).

Almost surely, 2^23857038 is an apocalyptic number.

23857038 is an abundant number, since it is smaller than the sum of its proper divisors (29158722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23857038 is a wasteful number, since it uses less digits than its factorization.

23857038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441808 (or 441802 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 23857038 is about 4884.3666938509. The cubic root of 23857038 is about 287.8760317155.

The spelling of 23857038 in words is "twenty-three million, eight hundred fifty-seven thousand, thirty-eight".