2312400032123 has 4 divisors (see below), whose sum is σ = 2335295082048. Its totient is φ = 2289504982200.

The previous prime is 2312400032077. The next prime is 2312400032167. The reversal of 2312400032123 is 3212300042132.

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 2312400032123 - 2¹⁰ = 2312400031099 is a prime.

It is a super-3 number, since 3×2312400032123³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312400032023) 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, 11447524811 + ... + 11447525012.

It is an arithmetic number, because the mean of its divisors is an integer number (583823770512).

Almost surely, 2^{2312400032123} is an apocalyptic number.

2312400032123 is a deficient number, since it is larger than the sum of its proper divisors (22895049925).

2312400032123 is a wasteful number, since it uses less digits than its factorization.

2312400032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22895049924.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2312400032123 its reverse (3212300042132), we get a palindrome (5524700074255).

The spelling of 2312400032123 in words is "two trillion, three hundred twelve billion, four hundred million, thirty-two thousand, one hundred twenty-three".