23899049 has 2 divisors, whose sum is σ = 23899050. Its totient is φ = 23899048.

The previous prime is 23899037. The next prime is 23899061. The reversal of 23899049 is 94099832.

It is a balanced prime because it is at equal distance from previous prime (23899037) and next prime (23899061).

It can be written as a sum of positive squares in only one way, i.e., 13271449 + 10627600 = 3643^2 + 3260^2 .

It is a cyclic number.

It is not a de Polignac number, because 23899049 - 2⁴ = 23899033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23899009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11949524 + 11949525.

It is an arithmetic number, because the mean of its divisors is an integer number (11949525).

Almost surely, 2^23899049 is an apocalyptic number.

It is an amenable number.

23899049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23899049 is an equidigital number, since it uses as much as digits as its factorization.

23899049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 23899049 is about 4888.6653597889. The cubic root of 23899049 is about 288.0449108524.

The spelling of 23899049 in words is "twenty-three million, eight hundred ninety-nine thousand, forty-nine".