23198923225 has 12 divisors (see below), whose sum is σ = 29544143404. Its totient is φ = 18057539520.

The previous prime is 23198923211. The next prime is 23198923243. The reversal of 23198923225 is 52232989132.

It can be written as a sum of positive squares in 6 ways, for example, as 4392640729 + 18806282496 = 66277^2 + 137136^2 .

It is not a de Polignac number, because 23198923225 - 2¹¹ = 23198921177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12539034 + ... + 12540883.

Almost surely, 2^23198923225 is an apocalyptic number.

23198923225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23198923225 is a deficient number, since it is larger than the sum of its proper divisors (6345220179).

23198923225 is a wasteful number, since it uses less digits than its factorization.

23198923225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25079964 (or 25079959 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The spelling of 23198923225 in words is "twenty-three billion, one hundred ninety-eight million, nine hundred twenty-three thousand, two hundred twenty-five".