23123231402 has 8 divisors (see below), whose sum is σ = 34688743776. Its totient is φ = 11560316812.

The previous prime is 23123231399. The next prime is 23123231429. The reversal of 23123231402 is 20413232132.

23123231402 is digitally balanced in base 5, because in such base 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627038 + ... + 662889.

It is an arithmetic number, because the mean of its divisors is an integer number (4336092972).

Almost surely, 2^23123231402 is an apocalyptic number.

23123231402 is a deficient number, since it is larger than the sum of its proper divisors (11565512374).

23123231402 is a wasteful number, since it uses less digits than its factorization.

23123231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298892.

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

Adding to 23123231402 its reverse (20413232132), we get a palindrome (43536463534).

The spelling of 23123231402 in words is "twenty-three billion, one hundred twenty-three million, two hundred thirty-one thousand, four hundred two".