23047530421 has 2 divisors, whose sum is σ = 23047530422. Its totient is φ = 23047530420.

The previous prime is 23047530409. The next prime is 23047530433. The reversal of 23047530421 is 12403574032.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (23047530409) and next prime (23047530433).

It can be written as a sum of positive squares in only one way, i.e., 22994386321 + 53144100 = 151639^2 + 7290^2 .

It is a cyclic number.

It is not a de Polignac number, because 23047530421 - 2²⁷ = 22913312693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23047530491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11523765210 + 11523765211.

It is an arithmetic number, because the mean of its divisors is an integer number (11523765211).

Almost surely, 2^23047530421 is an apocalyptic number.

It is an amenable number.

23047530421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23047530421 is an equidigital number, since it uses as much as digits as its factorization.

23047530421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 23047530421 in words is "twenty-three billion, forty-seven million, five hundred thirty thousand, four hundred twenty-one".