23196521701 has 2 divisors, whose sum is σ = 23196521702. Its totient is φ = 23196521700.

The previous prime is 23196521693. The next prime is 23196521723. The reversal of 23196521701 is 10712569132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23187371076 + 9150625 = 152274^2 + 3025^2 .

It is a cyclic number.

It is not a de Polignac number, because 23196521701 - 2³ = 23196521693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23196521731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11598260850 + 11598260851.

It is an arithmetic number, because the mean of its divisors is an integer number (11598260851).

Almost surely, 2^23196521701 is an apocalyptic number.

It is an amenable number.

23196521701 is a deficient number, since it is larger than the sum of its proper divisors (1).

23196521701 is an equidigital number, since it uses as much as digits as its factorization.

23196521701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 23196521701 in words is "twenty-three billion, one hundred ninety-six million, five hundred twenty-one thousand, seven hundred one".