23431402424 has 8 divisors (see below), whose sum is σ = 43933879560. Its totient is φ = 11715701208.

The previous prime is 23431402391. The next prime is 23431402429. The reversal of 23431402424 is 42420413432.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431402429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464462644 + ... + 1464462659.

It is an arithmetic number, because the mean of its divisors is an integer number (5491734945).

Almost surely, 2^23431402424 is an apocalyptic number.

It is an amenable number.

23431402424 is a deficient number, since it is larger than the sum of its proper divisors (20502477136).

23431402424 is a wasteful number, since it uses less digits than its factorization.

23431402424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928925309 (or 2928925305 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 23431402424 its reverse (42420413432), we get a palindrome (65851815856).

The spelling of 23431402424 in words is "twenty-three billion, four hundred thirty-one million, four hundred two thousand, four hundred twenty-four".