23420222431 has 8 divisors (see below), whose sum is σ = 24799267584. Its totient is φ = 22041331200.

The previous prime is 23420222411. The next prime is 23420222459. The reversal of 23420222431 is 13422202432.

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 23420222431 - 2¹³ = 23420214239 is a prime.

It is a super-2 number, since 2×23420222431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23420222396 and 23420222405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420222411) 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, 457671 + ... + 506263.

It is an arithmetic number, because the mean of its divisors is an integer number (3099908448).

Almost surely, 2^23420222431 is an apocalyptic number.

23420222431 is a deficient number, since it is larger than the sum of its proper divisors (1379045153).

23420222431 is a wasteful number, since it uses less digits than its factorization.

23420222431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76961.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23420222431 its reverse (13422202432), we get a palindrome (36842424863).

The spelling of 23420222431 in words is "twenty-three billion, four hundred twenty million, two hundred twenty-two thousand, four hundred thirty-one".