23913830 has 32 divisors (see below), whose sum is σ = 44193600. Its totient is φ = 9313920.

The previous prime is 23913811. The next prime is 23913833. The reversal of 23913830 is 3831932.

It is a junction number, because it is equal to n+sod(n) for n = 23913793 and 23913802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23913833) 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, 120071 + ... + 120269.

It is an arithmetic number, because the mean of its divisors is an integer number (1381050).

Almost surely, 2^23913830 is an apocalyptic number.

23913830 is a deficient number, since it is larger than the sum of its proper divisors (20279770).

23913830 is a wasteful number, since it uses less digits than its factorization.

23913830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 23913830 is about 4890.1768884162. The cubic root of 23913830 is about 288.1042816164.

The spelling of 23913830 in words is "twenty-three million, nine hundred thirteen thousand, eight hundred thirty".