23019402 has 32 divisors (see below), whose sum is σ = 54041472. Its totient is φ = 6398784.

The previous prime is 23019379. The next prime is 23019413. The reversal of 23019402 is 20491032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5853 + ... + 8960.

It is an arithmetic number, because the mean of its divisors is an integer number (1688796).

Almost surely, 2^23019402 is an apocalyptic number.

23019402 is an abundant number, since it is smaller than the sum of its proper divisors (31022070).

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

23019402 is a wasteful number, since it uses less digits than its factorization.

23019402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14862.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 23019402 is about 4797.8538952327. The cubic root of 23019402 is about 284.4666417523.

The spelling of 23019402 in words is "twenty-three million, nineteen thousand, four hundred two".