23434649974079 has 4 divisors (see below), whose sum is σ = 23818824563880. Its totient is φ = 23050475384280.

The previous prime is 23434649974049. The next prime is 23434649974097. The reversal of 23434649974079 is 97047994643432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23434649974079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434649974049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192087294809 + ... + 192087294930.

It is an arithmetic number, because the mean of its divisors is an integer number (5954706140970).

Almost surely, 2^{23434649974079} is an apocalyptic number.

23434649974079 is a deficient number, since it is larger than the sum of its proper divisors (384174589801).

23434649974079 is an equidigital number, since it uses as much as digits as its factorization.

23434649974079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384174589800.

The product of its (nonzero) digits is 987614208, while the sum is 71.

The spelling of 23434649974079 in words is "twenty-three trillion, four hundred thirty-four billion, six hundred forty-nine million, nine hundred seventy-four thousand, seventy-nine".