23430527379081 has 9 divisors (see below), whose sum is σ = 33844116078669. Its totient is φ = 15620341905036.

The previous prime is 23430527379073. The next prime is 23430527379131. The reversal of 23430527379081 is 18097372503432.

It is a happy number.

The square root of 23430527379081 is 4840509.

It is a perfect power (a square), and thus also a powerful number.

23430527379081 is a `hidden beast` number, since 2 + 3 + 4 + 3 + 0 + 527 + 37 + 9 + 0 + 81 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 23430527379081 - 2³ = 23430527379073 is a prime.

It is a super-2 number, since 2×23430527379081² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23430527379011) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13714776 + ... + 15328278.

Almost surely, 2^{23430527379081} is an apocalyptic number.

23430527379081 is the 4840509-th square number.

23430527379081 is the 2420255-th centered octagonal number.

It is an amenable number.

23430527379081 is a deficient number, since it is larger than the sum of its proper divisors (10413588699588).

23430527379081 is an frugal number, since it uses more digits than its factorization.

23430527379081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227012 (or 1613506 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 23430527379081 in words is "twenty-three trillion, four hundred thirty billion, five hundred twenty-seven million, three hundred seventy-nine thousand, eighty-one".