23597428 has 36 divisors (see below), whose sum is σ = 44484300. Its totient is φ = 10949632.

The previous prime is 23597407. The next prime is 23597443. The reversal of 23597428 is 82479532.

It can be written as a sum of positive squares in 6 ways, for example, as 345744 + 23251684 = 588^2 + 4822^2 .

It is a congruent 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, 158298 + ... + 158446.

It is an arithmetic number, because the mean of its divisors is an integer number (1235675).

Almost surely, 2^23597428 is an apocalyptic number.

It is an amenable number.

23597428 is a deficient number, since it is larger than the sum of its proper divisors (20886872).

23597428 is a wasteful number, since it uses less digits than its factorization.

23597428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 305 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 23597428 is about 4857.7183944729. The cubic root of 23597428 is about 286.8280078492.

It can be divided in two parts, 23597 and 428, that added together give a square (24025 = 155²).

The spelling of 23597428 in words is "twenty-three million, five hundred ninety-seven thousand, four hundred twenty-eight".