23491877067 has 8 divisors (see below), whose sum is σ = 34802780880. Its totient is φ = 15661251360.

The previous prime is 23491877027. The next prime is 23491877069. The reversal of 23491877067 is 76077819432.

23491877067 is a `hidden beast` number, since 2 + 3 + 491 + 87 + 70 + 6 + 7 = 666.

It is not a de Polignac number, because 23491877067 - 2⁷ = 23491876939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23491877069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435034734 + ... + 435034787.

It is an arithmetic number, because the mean of its divisors is an integer number (4350347610).

Almost surely, 2^23491877067 is an apocalyptic number.

23491877067 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23491877067 is a deficient number, since it is larger than the sum of its proper divisors (11310903813).

23491877067 is an equidigital number, since it uses as much as digits as its factorization.

23491877067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870069530 (or 870069524 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 23491877067 in words is "twenty-three billion, four hundred ninety-one million, eight hundred seventy-seven thousand, sixty-seven".