23120400233 has 8 divisors (see below), whose sum is σ = 26425829568. Its totient is φ = 19815599664.

The previous prime is 23120400229. The next prime is 23120400257. The reversal of 23120400233 is 33200402132.

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

It is not a de Polignac number, because 23120400233 - 2² = 23120400229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120400283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75566 + ... + 227927.

It is an arithmetic number, because the mean of its divisors is an integer number (3303228696).

Almost surely, 2^23120400233 is an apocalyptic number.

It is an amenable number.

23120400233 is a deficient number, since it is larger than the sum of its proper divisors (3305429335).

23120400233 is a wasteful number, since it uses less digits than its factorization.

23120400233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314383.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23120400233 its reverse (33200402132), we get a palindrome (56320802365).

The spelling of 23120400233 in words is "twenty-three billion, one hundred twenty million, four hundred thousand, two hundred thirty-three".