23254640847 has 12 divisors (see below), whose sum is σ = 33599229664. Its totient is φ = 15498851040.

The previous prime is 23254640839. The next prime is 23254640909. The reversal of 23254640847 is 74804645232.

It is a happy number.

23254640847 is a `hidden beast` number, since 23 + 2 + 546 + 4 + 0 + 84 + 7 = 666.

It is not a de Polignac number, because 23254640847 - 2³ = 23254640839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23254647847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318679 + ... + 384792.

Almost surely, 2^23254640847 is an apocalyptic number.

23254640847 is a deficient number, since it is larger than the sum of its proper divisors (10344588817).

23254640847 is a wasteful number, since it uses less digits than its factorization.

23254640847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707150 (or 707147 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 23254640847 in words is "twenty-three billion, two hundred fifty-four million, six hundred forty thousand, eight hundred forty-seven".