23413432545 has 24 divisors (see below), whose sum is σ = 40600513512. Its totient is φ = 12481862400.

The previous prime is 23413432487. The next prime is 23413432607. The reversal of 23413432545 is 54523431432.

23413432545 is a `hidden beast` number, since 23 + 41 + 343 + 254 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4113554769 + 19299877776 = 64137^2 + 138924^2 .

It is not a de Polignac number, because 23413432545 - 2⁷ = 23413432417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2116 + ... + 216405.

It is an arithmetic number, because the mean of its divisors is an integer number (1691688063).

Almost surely, 2^23413432545 is an apocalyptic number.

It is an amenable number.

23413432545 is a deficient number, since it is larger than the sum of its proper divisors (17187080967).

23413432545 is a wasteful number, since it uses less digits than its factorization.

23413432545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220913 (or 220910 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 23413432545 its reverse (54523431432), we get a palindrome (77936863977).

The spelling of 23413432545 in words is "twenty-three billion, four hundred thirteen million, four hundred thirty-two thousand, five hundred forty-five".