23895561797 has 2 divisors, whose sum is σ = 23895561798. Its totient is φ = 23895561796.

The previous prime is 23895561791. The next prime is 23895561847. The reversal of 23895561797 is 79716559832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19318498081 + 4577063716 = 138991^2 + 67654^2 .

It is a cyclic number.

It is not a de Polignac number, because 23895561797 - 2¹⁸ = 23895299653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23895561791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11947780898 + 11947780899.

It is an arithmetic number, because the mean of its divisors is an integer number (11947780899).

Almost surely, 2^23895561797 is an apocalyptic number.

It is an amenable number.

23895561797 is a deficient number, since it is larger than the sum of its proper divisors (1).

23895561797 is an equidigital number, since it uses as much as digits as its factorization.

23895561797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28576800, while the sum is 62.

The spelling of 23895561797 in words is "twenty-three billion, eight hundred ninety-five million, five hundred sixty-one thousand, seven hundred ninety-seven".