23490769 has 2 divisors, whose sum is σ = 23490770. Its totient is φ = 23490768.

The previous prime is 23490703. The next prime is 23490833. The reversal of 23490769 is 96709432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17305600 + 6185169 = 4160^2 + 2487^2 .

It is a cyclic number.

It is not a de Polignac number, because 23490769 - 2¹³ = 23482577 is a prime.

It is a super-2 number, since 2×23490769² = 1103632456422722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23490469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11745384 + 11745385.

It is an arithmetic number, because the mean of its divisors is an integer number (11745385).

Almost surely, 2^23490769 is an apocalyptic number.

It is an amenable number.

23490769 is a deficient number, since it is larger than the sum of its proper divisors (1).

23490769 is an equidigital number, since it uses as much as digits as its factorization.

23490769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 23490769 is about 4846.7276589468. The cubic root of 23490769 is about 286.3952064845.

The spelling of 23490769 in words is "twenty-three million, four hundred ninety thousand, seven hundred sixty-nine".