23342402431 has 4 divisors (see below), whose sum is σ = 23499063000. Its totient is φ = 23185741864.

The previous prime is 23342402399. The next prime is 23342402437. The reversal of 23342402431 is 13420424332.

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

It is a cyclic number.

It is not a de Polignac number, because 23342402431 - 2⁵ = 23342402399 is a prime.

It is a super-2 number, since 2×23342402431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23342402431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23342402437) 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, 78330061 + ... + 78330358.

It is an arithmetic number, because the mean of its divisors is an integer number (5874765750).

Almost surely, 2^23342402431 is an apocalyptic number.

23342402431 is a deficient number, since it is larger than the sum of its proper divisors (156660569).

23342402431 is a wasteful number, since it uses less digits than its factorization.

23342402431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156660568.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23342402431 its reverse (13420424332), we get a palindrome (36762826763).

The spelling of 23342402431 in words is "twenty-three billion, three hundred forty-two million, four hundred two thousand, four hundred thirty-one".