23013442457 has 2 divisors, whose sum is σ = 23013442458. Its totient is φ = 23013442456.

The previous prime is 23013442433. The next prime is 23013442483. The reversal of 23013442457 is 75424431032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16745395216 + 6268047241 = 129404^2 + 79171^2 .

It is a cyclic number.

It is not a de Polignac number, because 23013442457 - 2⁸ = 23013442201 is a prime.

It is not a weakly prime, because it can be changed into another prime (23013442757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506721228 + 11506721229.

It is an arithmetic number, because the mean of its divisors is an integer number (11506721229).

Almost surely, 2^23013442457 is an apocalyptic number.

It is an amenable number.

23013442457 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013442457 is an equidigital number, since it uses as much as digits as its factorization.

23013442457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 23013442457 its reverse (75424431032), we get a palindrome (98437873489).

The spelling of 23013442457 in words is "twenty-three billion, thirteen million, four hundred forty-two thousand, four hundred fifty-seven".