23297752449 has 6 divisors (see below), whose sum is σ = 33652309106. Its totient is φ = 15531834960.

The previous prime is 23297752441. The next prime is 23297752451. The reversal of 23297752449 is 94425779232.

It is a happy number.

23297752449 is a `hidden beast` number, since 2 + 3 + 2 + 9 + 77 + 524 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19577606400 + 3720146049 = 139920^2 + 60993^2 .

It is not a de Polignac number, because 23297752449 - 2³ = 23297752441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23297752395 and 23297752404.

It is not an unprimeable number, because it can be changed into a prime (23297752441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1294319572 + ... + 1294319589.

Almost surely, 2^23297752449 is an apocalyptic number.

It is an amenable number.

23297752449 is a deficient number, since it is larger than the sum of its proper divisors (10354556657).

23297752449 is a wasteful number, since it uses less digits than its factorization.

23297752449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588639167 (or 2588639164 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 23297752449 in words is "twenty-three billion, two hundred ninety-seven million, seven hundred fifty-two thousand, four hundred forty-nine".