23039430 has 32 divisors (see below), whose sum is σ = 55922400. Its totient is φ = 6074112.

The previous prime is 23039411. The next prime is 23039431. The reversal of 23039430 is 3493032.

It is a self number, because there is not a number n which added to its sum of digits gives 23039430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23039431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645 + ... + 6984.

It is an arithmetic number, because the mean of its divisors is an integer number (1747575).

Almost surely, 2^23039430 is an apocalyptic number.

23039430 is an abundant number, since it is smaller than the sum of its proper divisors (32882970).

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

23039430 is a wasteful number, since it uses less digits than its factorization.

23039430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8728.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 23039430 is about 4799.9406246328. The cubic root of 23039430 is about 284.5491177783.

The spelling of 23039430 in words is "twenty-three million, thirty-nine thousand, four hundred thirty".