23012320233 has 8 divisors (see below), whose sum is σ = 35066392768. Its totient is φ = 13149897264.

The previous prime is 23012320229. The next prime is 23012320291. The reversal of 23012320233 is 33202321032.

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

It is not a de Polignac number, because 23012320233 - 2² = 23012320229 is a prime.

It is a super-2 number, since 2×23012320233² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1095824773 = 23012320233 / (2 + 3 + 0 + 1 + 2 + 3 + 2 + 0 + 2 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23012320733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547912366 + ... + 547912407.

It is an arithmetic number, because the mean of its divisors is an integer number (4383299096).

Almost surely, 2^23012320233 is an apocalyptic number.

It is an amenable number.

23012320233 is a deficient number, since it is larger than the sum of its proper divisors (12054072535).

23012320233 is a wasteful number, since it uses less digits than its factorization.

23012320233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095824783.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23012320233 its reverse (33202321032), we get a palindrome (56214641265).

The spelling of 23012320233 in words is "twenty-three billion, twelve million, three hundred twenty thousand, two hundred thirty-three".