23970038 has 4 divisors (see below), whose sum is σ = 35955060. Its totient is φ = 11985018.

The previous prime is 23970031. The next prime is 23970041. The reversal of 23970038 is 83007932.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23969986 and 23970013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23970031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5992508 + ... + 5992511.

It is an arithmetic number, because the mean of its divisors is an integer number (8988765).

Almost surely, 2^23970038 is an apocalyptic number.

23970038 is a deficient number, since it is larger than the sum of its proper divisors (11985022).

23970038 is a wasteful number, since it uses less digits than its factorization.

23970038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11985021.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 23970038 is about 4895.9205467409. The cubic root of 23970038 is about 288.3298288487.

The spelling of 23970038 in words is "twenty-three million, nine hundred seventy thousand, thirty-eight".