23154413 has 2 divisors, whose sum is σ = 23154414. Its totient is φ = 23154412.

The previous prime is 23154401. The next prime is 23154437. The reversal of 23154413 is 31445132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12376324 + 10778089 = 3518^2 + 3283^2 .

It is a cyclic number.

It is not a de Polignac number, because 23154413 - 2⁶ = 23154349 is a prime.

It is a super-2 number, since 2×23154413² = 1072253682749138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23154113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577206 + 11577207.

It is an arithmetic number, because the mean of its divisors is an integer number (11577207).

Almost surely, 2^23154413 is an apocalyptic number.

It is an amenable number.

23154413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23154413 is an equidigital number, since it uses as much as digits as its factorization.

23154413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 23154413 is about 4811.9032617043. The cubic root of 23154413 is about 285.0216993840.

Adding to 23154413 its reverse (31445132), we get a palindrome (54599545).

The spelling of 23154413 in words is "twenty-three million, one hundred fifty-four thousand, four hundred thirteen".