23401513729 has 8 divisors (see below), whose sum is σ = 25530031872. Its totient is φ = 21273180240.

The previous prime is 23401513717. The next prime is 23401513739. The reversal of 23401513729 is 92731510432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23401513729 - 2⁵ = 23401513697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23401513739) 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, 464247 + ... + 512179.

It is an arithmetic number, because the mean of its divisors is an integer number (3191253984).

Almost surely, 2^23401513729 is an apocalyptic number.

It is an amenable number.

23401513729 is a deficient number, since it is larger than the sum of its proper divisors (2128518143).

23401513729 is a wasteful number, since it uses less digits than its factorization.

23401513729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92327.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 23401513729 in words is "twenty-three billion, four hundred one million, five hundred thirteen thousand, seven hundred twenty-nine".