23012051 has 4 divisors (see below), whose sum is σ = 23805600. Its totient is φ = 22218504.

The previous prime is 23012047. The next prime is 23012053. The reversal of 23012051 is 15021032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23012051 - 2² = 23012047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23012053) 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, 396731 + ... + 396788.

It is an arithmetic number, because the mean of its divisors is an integer number (5951400).

Almost surely, 2^23012051 is an apocalyptic number.

23012051 is a deficient number, since it is larger than the sum of its proper divisors (793549).

23012051 is an equidigital number, since it uses as much as digits as its factorization.

23012051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793548.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 23012051 is about 4797.0877623825. The cubic root of 23012051 is about 284.4363580680.

Adding to 23012051 its reverse (15021032), we get a palindrome (38033083).

The spelling of 23012051 in words is "twenty-three million, twelve thousand, fifty-one".