23038530 has 16 divisors (see below), whose sum is σ = 55292544. Its totient is φ = 6143600.

The previous prime is 23038513. The next prime is 23038573. The reversal of 23038530 is 3583032.

It is a self number, because there is not a number n which added to its sum of digits gives 23038530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383946 + ... + 384005.

It is an arithmetic number, because the mean of its divisors is an integer number (3455784).

Almost surely, 2^23038530 is an apocalyptic number.

23038530 is an abundant number, since it is smaller than the sum of its proper divisors (32254014).

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

23038530 is a wasteful number, since it uses less digits than its factorization.

23038530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767961.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23038530 is about 4799.8468725575. The cubic root of 23038530 is about 284.5454125718.

The spelling of 23038530 in words is "twenty-three million, thirty-eight thousand, five hundred thirty".