23122420511 has 8 divisors (see below), whose sum is σ = 24658698960. Its totient is φ = 21605712768.

The previous prime is 23122420499. The next prime is 23122420549. The reversal of 23122420511 is 11502422132.

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 23122420511 - 2¹⁴ = 23122404127 is a prime.

It is a super-2 number, since 2×23122420511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122420571) 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, 4890236 + ... + 4894961.

It is an arithmetic number, because the mean of its divisors is an integer number (3082337370).

Almost surely, 2^23122420511 is an apocalyptic number.

23122420511 is a deficient number, since it is larger than the sum of its proper divisors (1536278449).

23122420511 is a wasteful number, since it uses less digits than its factorization.

23122420511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785353.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 23122420511 its reverse (11502422132), we get a palindrome (34624842643).

The spelling of 23122420511 in words is "twenty-three billion, one hundred twenty-two million, four hundred twenty thousand, five hundred eleven".