153231122399 has 4 divisors (see below), whose sum is σ = 159893345136. Its totient is φ = 146568899664.

The previous prime is 153231122381. The next prime is 153231122411. The reversal of 153231122399 is 993221132351.

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 153231122399 - 2²⁰ = 153230073823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153231128399) 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, 3331111334 + ... + 3331111379.

It is an arithmetic number, because the mean of its divisors is an integer number (39973336284).

Almost surely, 2^153231122399 is an apocalyptic number.

153231122399 is a deficient number, since it is larger than the sum of its proper divisors (6662222737).

153231122399 is an equidigital number, since it uses as much as digits as its factorization.

153231122399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6662222736.

The product of its digits is 87480, while the sum is 41.

The spelling of 153231122399 in words is "one hundred fifty-three billion, two hundred thirty-one million, one hundred twenty-two thousand, three hundred ninety-nine".