23645739837783 has 32 divisors (see below), whose sum is σ = 37720664948736. Its totient is φ = 12882280501728.

The previous prime is 23645739837767. The next prime is 23645739837803. The reversal of 23645739837783 is 38773893754632.

It is not a de Polignac number, because 23645739837783 - 2⁴ = 23645739837767 is a prime.

It is a super-2 number, since 2×23645739837783² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23645739832783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79584591 + ... + 79881152.

It is an arithmetic number, because the mean of its divisors is an integer number (1178770779648).

Almost surely, 2^{23645739837783} is an apocalyptic number.

23645739837783 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23645739837783 is a deficient number, since it is larger than the sum of its proper divisors (14074925110953).

23645739837783 is a wasteful number, since it uses less digits than its factorization.

23645739837783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159466083.

The product of its digits is 3840721920, while the sum is 75.

The spelling of 23645739837783 in words is "twenty-three trillion, six hundred forty-five billion, seven hundred thirty-nine million, eight hundred thirty-seven thousand, seven hundred eighty-three".