23066051421 has 16 divisors (see below), whose sum is σ = 35351443584. Its totient is φ = 13104410304.

The previous prime is 23066051417. The next prime is 23066051431. The reversal of 23066051421 is 12415066032.

It is not a de Polignac number, because 23066051421 - 2² = 23066051417 is a prime.

It is a super-2 number, since 2×23066051421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23066051431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3170886 + ... + 3178151.

It is an arithmetic number, because the mean of its divisors is an integer number (2209465224).

Almost surely, 2^23066051421 is an apocalyptic number.

23066051421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23066051421 is a deficient number, since it is larger than the sum of its proper divisors (12285392163).

23066051421 is a wasteful number, since it uses less digits than its factorization.

23066051421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349220.

The product of its (nonzero) digits is 8640, while the sum is 30.

It can be divided in two parts, 2306605 and 1421, that added together give a triangular number (2308026 = T₂₁₄₈).

The spelling of 23066051421 in words is "twenty-three billion, sixty-six million, fifty-one thousand, four hundred twenty-one".