23479620223729 has 2 divisors, whose sum is σ = 23479620223730. Its totient is φ = 23479620223728.

The previous prime is 23479620223723. The next prime is 23479620223739. The reversal of 23479620223729 is 92732202697432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16749497538225 + 6730122685504 = 4092615^2 + 2594248^2 .

It is a cyclic number.

It is not a de Polignac number, because 23479620223729 - 2⁹ = 23479620223217 is a prime.

It is not a weakly prime, because it can be changed into another prime (23479620223723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11739810111864 + 11739810111865.

It is an arithmetic number, because the mean of its divisors is an integer number (11739810111865).

Almost surely, 2^{23479620223729} is an apocalyptic number.

It is an amenable number.

23479620223729 is a deficient number, since it is larger than the sum of its proper divisors (1).

23479620223729 is an equidigital number, since it uses as much as digits as its factorization.

23479620223729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 58.

The spelling of 23479620223729 in words is "twenty-three trillion, four hundred seventy-nine billion, six hundred twenty million, two hundred twenty-three thousand, seven hundred twenty-nine".