23196789 has 72 divisors (see below), whose sum is σ = 44815680. Its totient is φ = 11278080.

The previous prime is 23196769. The next prime is 23196799. The reversal of 23196789 is 98769132.

It is a de Polignac number, because none of the positive numbers 2^k-23196789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23196769) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 129502 + ... + 129680.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^23196789 is an apocalyptic number.

It is an amenable number.

23196789 is a deficient number, since it is larger than the sum of its proper divisors (21618891).

23196789 is a wasteful number, since it uses less digits than its factorization.

23196789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 217 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 23196789 is about 4816.3044961879. The cubic root of 23196789 is about 285.1954707049.

It can be divided in two parts, 231 and 96789, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 23196789 in words is "twenty-three million, one hundred ninety-six thousand, seven hundred eighty-nine".