232011251553 has 4 divisors (see below), whose sum is σ = 309348335408. Its totient is φ = 154674167700.

The previous prime is 232011251473. The next prime is 232011251573. The reversal of 232011251553 is 355152110232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 232011251553 - 2³³ = 223421316961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232011251553.

It is not an unprimeable number, because it can be changed into a prime (232011251573) 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, 38668541923 + ... + 38668541928.

It is an arithmetic number, because the mean of its divisors is an integer number (77337083852).

Almost surely, 2^232011251553 is an apocalyptic number.

It is an amenable number.

232011251553 is a deficient number, since it is larger than the sum of its proper divisors (77337083855).

232011251553 is an equidigital number, since it uses as much as digits as its factorization.

232011251553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77337083854.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 232011251553 its reverse (355152110232), we get a palindrome (587163361785).

The spelling of 232011251553 in words is "two hundred thirty-two billion, eleven million, two hundred fifty-one thousand, five hundred fifty-three".