23953415745 has 32 divisors (see below), whose sum is σ = 43930568448. Its totient is φ = 10917623808.

The previous prime is 23953415743. The next prime is 23953415777. The reversal of 23953415745 is 54751435932.

It is not a de Polignac number, because 23953415745 - 2¹ = 23953415743 is a prime.

It is a super-2 number, since 2×23953415745² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23953415694 and 23953415703.

It is not an unprimeable number, because it can be changed into a prime (23953415741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303084 + ... + 373853.

It is an arithmetic number, because the mean of its divisors is an integer number (1372830264).

Almost surely, 2^23953415745 is an apocalyptic number.

It is an amenable number.

23953415745 is a deficient number, since it is larger than the sum of its proper divisors (19977152703).

23953415745 is a wasteful number, since it uses less digits than its factorization.

23953415745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677289.

The product of its digits is 2268000, while the sum is 48.

The spelling of 23953415745 in words is "twenty-three billion, nine hundred fifty-three million, four hundred fifteen thousand, seven hundred forty-five".