233120132109 has 8 divisors (see below), whose sum is σ = 345363158720. Its totient is φ = 155413421388.

The previous prime is 233120132093. The next prime is 233120132123. The reversal of 233120132109 is 901231021332.

233120132109 is a `hidden beast` number, since 2 + 331 + 2 + 0 + 1 + 321 + 0 + 9 = 666.

It is not a de Polignac number, because 233120132109 - 2⁴ = 233120132093 is a prime.

It is a super-2 number, since 2×233120132109² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8634078967 = 233120132109 / (2 + 3 + 3 + 1 + 2 + 0 + 1 + 3 + 2 + 1 + 0 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233120132149) 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, 4317039457 + ... + 4317039510.

It is an arithmetic number, because the mean of its divisors is an integer number (43170394840).

Almost surely, 2^233120132109 is an apocalyptic number.

It is an amenable number.

233120132109 is a deficient number, since it is larger than the sum of its proper divisors (112243026611).

233120132109 is an equidigital number, since it uses as much as digits as its factorization.

233120132109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634078976 (or 8634078970 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 233120132109 in words is "two hundred thirty-three billion, one hundred twenty million, one hundred thirty-two thousand, one hundred nine".