23455301861 has 2 divisors, whose sum is σ = 23455301862. Its totient is φ = 23455301860.

The previous prime is 23455301801. The next prime is 23455301879. The reversal of 23455301861 is 16810355432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22013656900 + 1441644961 = 148370^2 + 37969^2 .

It is a cyclic number.

It is not a de Polignac number, because 23455301861 - 2⁶ = 23455301797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23455301801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727650930 + 11727650931.

It is an arithmetic number, because the mean of its divisors is an integer number (11727650931).

Almost surely, 2^23455301861 is an apocalyptic number.

It is an amenable number.

23455301861 is a deficient number, since it is larger than the sum of its proper divisors (1).

23455301861 is an equidigital number, since it uses as much as digits as its factorization.

23455301861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 23455301861 in words is "twenty-three billion, four hundred fifty-five million, three hundred one thousand, eight hundred sixty-one".