23977593469 has 2 divisors, whose sum is σ = 23977593470. Its totient is φ = 23977593468.

The previous prime is 23977593463. The next prime is 23977593487. The reversal of 23977593469 is 96439577932.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14747187844 + 9230405625 = 121438^2 + 96075^2 .

It is a cyclic number.

It is not a de Polignac number, because 23977593469 - 2⁹ = 23977592957 is a prime.

It is a super-2 number, since 2×23977593469² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23977593469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23977593463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11988796734 + 11988796735.

It is an arithmetic number, because the mean of its divisors is an integer number (11988796735).

Almost surely, 2^23977593469 is an apocalyptic number.

It is an amenable number.

23977593469 is a deficient number, since it is larger than the sum of its proper divisors (1).

23977593469 is an equidigital number, since it uses as much as digits as its factorization.

23977593469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77157360, while the sum is 64.

The spelling of 23977593469 in words is "twenty-three billion, nine hundred seventy-seven million, five hundred ninety-three thousand, four hundred sixty-nine".