23439413907 has 128 divisors (see below), whose sum is σ = 44461598720. Its totient is φ = 11874885120.

The previous prime is 23439413807. The next prime is 23439413911. The reversal of 23439413907 is 70931493432.

It is not a de Polignac number, because 23439413907 - 2¹² = 23439409811 is a prime.

It is a super-2 number, since 2×23439413907² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23439413507) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6442893 + ... + 6446529.

It is an arithmetic number, because the mean of its divisors is an integer number (347356240).

Almost surely, 2^23439413907 is an apocalyptic number.

23439413907 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23439413907 is a deficient number, since it is larger than the sum of its proper divisors (21022184813).

23439413907 is a wasteful number, since it uses less digits than its factorization.

23439413907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 23439413907 in words is "twenty-three billion, four hundred thirty-nine million, four hundred thirteen thousand, nine hundred seven".