2400123121331 has 8 divisors (see below), whose sum is σ = 2584794051840. Its totient is φ = 2215458772992.

The previous prime is 2400123121271. The next prime is 2400123121339. The reversal of 2400123121331 is 1331213210042.

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

It is a cyclic number.

It is not a de Polignac number, because 2400123121331 - 2⁶ = 2400123121267 is a prime.

It is a super-2 number, since 2×2400123121331² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2400123121297 and 2400123121306.

It is not an unprimeable number, because it can be changed into a prime (2400123121339) 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, 874835 + ... + 2359148.

It is an arithmetic number, because the mean of its divisors is an integer number (323099256480).

Almost surely, 2^{2400123121331} is an apocalyptic number.

2400123121331 is a deficient number, since it is larger than the sum of its proper divisors (184670930509).

2400123121331 is a wasteful number, since it uses less digits than its factorization.

2400123121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291085.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2400123121331 its reverse (1331213210042), we get a palindrome (3731336331373).

The spelling of 2400123121331 in words is "two trillion, four hundred billion, one hundred twenty-three million, one hundred twenty-one thousand, three hundred thirty-one".