23497434 has 36 divisors (see below), whose sum is σ = 54094014. Its totient is φ = 7370112.

The previous prime is 23497427. The next prime is 23497477. The reversal of 23497434 is 43479432.

It can be written as a sum of positive squares in 3 ways, for example, as 18896409 + 4601025 = 4347^2 + 2145^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2944 + ... + 7460.

Almost surely, 2^23497434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23497434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27047007).

23497434 is an abundant number, since it is smaller than the sum of its proper divisors (30596580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23497434 is a wasteful number, since it uses less digits than its factorization.

23497434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559 (or 4539 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 23497434 is about 4847.4151874994. The cubic root of 23497434 is about 286.4222900814.

The spelling of 23497434 in words is "twenty-three million, four hundred ninety-seven thousand, four hundred thirty-four".