23691200745 has 16 divisors (see below), whose sum is σ = 38029400640. Its totient is φ = 12594147264.

The previous prime is 23691200723. The next prime is 23691200779. The reversal of 23691200745 is 54700219632.

It is not a de Polignac number, because 23691200745 - 2¹² = 23691196649 is a prime.

It is a super-2 number, since 2×23691200745² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2567730 + ... + 2576939.

It is an arithmetic number, because the mean of its divisors is an integer number (2376837540).

Almost surely, 2^23691200745 is an apocalyptic number.

It is an amenable number.

23691200745 is a deficient number, since it is larger than the sum of its proper divisors (14338199895).

23691200745 is a wasteful number, since it uses less digits than its factorization.

23691200745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144984.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 23691200745 in words is "twenty-three billion, six hundred ninety-one million, two hundred thousand, seven hundred forty-five".