23435749 has 2 divisors, whose sum is σ = 23435750. Its totient is φ = 23435748.

The previous prime is 23435719. The next prime is 23435761. The reversal of 23435749 is 94753432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16769025 + 6666724 = 4095^2 + 2582^2 .

It is a cyclic number.

It is not a de Polignac number, because 23435749 - 2⁵ = 23435717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23435719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11717874 + 11717875.

It is an arithmetic number, because the mean of its divisors is an integer number (11717875).

Almost surely, 2^23435749 is an apocalyptic number.

It is an amenable number.

23435749 is a deficient number, since it is larger than the sum of its proper divisors (1).

23435749 is an equidigital number, since it uses as much as digits as its factorization.

23435749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 23435749 is about 4841.0483368791. The cubic root of 23435749 is about 286.1714337244.

The spelling of 23435749 in words is "twenty-three million, four hundred thirty-five thousand, seven hundred forty-nine".