23019902 has 8 divisors (see below), whose sum is σ = 34551336. Its totient is φ = 11502792.

The previous prime is 23019869. The next prime is 23019907. The reversal of 23019902 is 20991032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23019907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 7235.

It is an arithmetic number, because the mean of its divisors is an integer number (4318917).

Almost surely, 2^23019902 is an apocalyptic number.

23019902 is a deficient number, since it is larger than the sum of its proper divisors (11531434).

23019902 is a wasteful number, since it uses less digits than its factorization.

23019902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7162.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 23019902 is about 4797.9060015803. The cubic root of 23019902 is about 284.4687013525.

The spelling of 23019902 in words is "twenty-three million, nineteen thousand, nine hundred two".