23456553371 has 2 divisors, whose sum is σ = 23456553372. Its totient is φ = 23456553370.

The previous prime is 23456553319. The next prime is 23456553409. The reversal of 23456553371 is 17335565432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23456553371 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23453553371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11728276685 + 11728276686.

It is an arithmetic number, because the mean of its divisors is an integer number (11728276686).

Almost surely, 2^23456553371 is an apocalyptic number.

23456553371 is a deficient number, since it is larger than the sum of its proper divisors (1).

23456553371 is an equidigital number, since it uses as much as digits as its factorization.

23456553371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 44.

The spelling of 23456553371 in words is "twenty-three billion, four hundred fifty-six million, five hundred fifty-three thousand, three hundred seventy-one".