2312403123 has 8 divisors (see below), whose sum is σ = 3085939600. Its totient is φ = 1540234368.

The previous prime is 2312403103. The next prime is 2312403167. The reversal of 2312403123 is 3213042132.

2312403123 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2312403123 - 2²⁰ = 2311354547 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 2312403123.

It is not an unprimeable number, because it can be changed into a prime (2312403103) 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, 337978 + ... + 344751.

It is an arithmetic number, because the mean of its divisors is an integer number (385742450).

Almost surely, 2^2312403123 is an apocalyptic number.

2312403123 is a deficient number, since it is larger than the sum of its proper divisors (773536477).

2312403123 is a wasteful number, since it uses less digits than its factorization.

2312403123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683861.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2312403123 is about 48087.4528645467. The cubic root of 2312403123 is about 1322.3746516846.

Adding to 2312403123 its reverse (3213042132), we get a palindrome (5525445255).

The spelling of 2312403123 in words is "two billion, three hundred twelve million, four hundred three thousand, one hundred twenty-three".