23434455 has 32 divisors (see below), whose sum is σ = 41310720. Its totient is φ = 11249280.

The previous prime is 23434423. The next prime is 23434487. The reversal of 23434455 is 55443432.

It is an interprime number because it is at equal distance from previous prime (23434423) and next prime (23434487).

It is not a de Polignac number, because 23434455 - 2⁵ = 23434423 is a prime.

It is a super-2 number, since 2×23434455² = 1098347362294050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17334 + ... + 18636.

It is an arithmetic number, because the mean of its divisors is an integer number (1290960).

Almost surely, 2^23434455 is an apocalyptic number.

23434455 is a deficient number, since it is larger than the sum of its proper divisors (17876265).

23434455 is a wasteful number, since it uses less digits than its factorization.

23434455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431.

The product of its digits is 28800, while the sum is 30.

The square root of 23434455 is about 4840.9146862964. The cubic root of 23434455 is about 286.1661666620.

Adding to 23434455 its reverse (55443432), we get a palindrome (78877887).

The spelling of 23434455 in words is "twenty-three million, four hundred thirty-four thousand, four hundred fifty-five".