23038542 has 12 divisors (see below), whose sum is σ = 49916880. Its totient is φ = 7679508.

The previous prime is 23038513. The next prime is 23038573. The reversal of 23038542 is 24583032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 639942 + ... + 639977.

It is an arithmetic number, because the mean of its divisors is an integer number (4159740).

Almost surely, 2^23038542 is an apocalyptic number.

23038542 is an abundant number, since it is smaller than the sum of its proper divisors (26878338).

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

23038542 is a wasteful number, since it uses less digits than its factorization.

23038542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279927 (or 1279924 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 23038542 is about 4799.8481225972. The cubic root of 23038542 is about 284.5454619751.

The spelling of 23038542 in words is "twenty-three million, thirty-eight thousand, five hundred forty-two".