2323123402155 has 48 divisors (see below), whose sum is σ = 3949542804480. Its totient is φ = 1162817045568.

The previous prime is 2323123402151. The next prime is 2323123402163. The reversal of 2323123402155 is 5512043213232.

It is not a de Polignac number, because 2323123402155 - 2² = 2323123402151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2323123402151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2906982 + ... + 3618948.

It is an arithmetic number, because the mean of its divisors is an integer number (82282141760).

Almost surely, 2^{2323123402155} is an apocalyptic number.

2323123402155 is a deficient number, since it is larger than the sum of its proper divisors (1626419402325).

2323123402155 is a wasteful number, since it uses less digits than its factorization.

2323123402155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712208 (or 712101 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 2323123402155 its reverse (5512043213232), we get a palindrome (7835166615387).

The spelling of 2323123402155 in words is "two trillion, three hundred twenty-three billion, one hundred twenty-three million, four hundred two thousand, one hundred fifty-five".