23742816830691 has 48 divisors (see below), whose sum is σ = 37584957530880. Its totient is φ = 13289218568640.

The previous prime is 23742816830657. The next prime is 23742816830767. The reversal of 23742816830691 is 19603861824732.

It is not a de Polignac number, because 23742816830691 - 2¹³ = 23742816822499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23742816820691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2539015 + ... + 7343856.

It is an arithmetic number, because the mean of its divisors is an integer number (783019948560).

Almost surely, 2^{23742816830691} is an apocalyptic number.

23742816830691 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23742816830691 is a deficient number, since it is larger than the sum of its proper divisors (13842140700189).

23742816830691 is a wasteful number, since it uses less digits than its factorization.

23742816830691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9883224 (or 9883217 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 23742816830691 in words is "twenty-three trillion, seven hundred forty-two billion, eight hundred sixteen million, eight hundred thirty thousand, six hundred ninety-one".