4231400123 has 4 divisors (see below), whose sum is σ = 4235381808. Its totient is φ = 4227418440.

The previous prime is 4231400099. The next prime is 4231400141. The reversal of 4231400123 is 3210041324.

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 4231400123 - 2²⁶ = 4164291259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4231400095 and 4231400104.

It is not an unprimeable number, because it can be changed into a prime (4231450123) 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, 1989248 + ... + 1991373.

It is an arithmetic number, because the mean of its divisors is an integer number (1058845452).

Almost surely, 2^4231400123 is an apocalyptic number.

4231400123 is a deficient number, since it is larger than the sum of its proper divisors (3981685).

4231400123 is a wasteful number, since it uses less digits than its factorization.

4231400123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981684.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4231400123 is about 65049.2130851711. The cubic root of 4231400123 is about 1617.4394497279.

Adding to 4231400123 its reverse (3210041324), we get a palindrome (7441441447).

The spelling of 4231400123 in words is "four billion, two hundred thirty-one million, four hundred thousand, one hundred twenty-three".