23012534 has 8 divisors (see below), whose sum is σ = 36335640. Its totient is φ = 10900656.

The previous prime is 23012533. The next prime is 23012599. The reversal of 23012534 is 43521032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23012534² = 1059153442202312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302759 + ... + 302834.

It is an arithmetic number, because the mean of its divisors is an integer number (4541955).

Almost surely, 2^23012534 is an apocalyptic number.

23012534 is a deficient number, since it is larger than the sum of its proper divisors (13323106).

23012534 is a wasteful number, since it uses less digits than its factorization.

23012534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605614.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23012534 is about 4797.1381051623. The cubic root of 23012534 is about 284.4383480659.

Adding to 23012534 its reverse (43521032), we get a palindrome (66533566).

The spelling of 23012534 in words is "twenty-three million, twelve thousand, five hundred thirty-four".