1423123131 has 8 divisors (see below), whose sum is σ = 1897673040. Its totient is φ = 948660992.

The previous prime is 1423123111. The next prime is 1423123133. The reversal of 1423123131 is 1313213241.

1423123131 is digitally balanced in base 4, 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 a cyclic number.

It is not a de Polignac number, because 1423123131 - 2⁶ = 1423123067 is a prime.

It is a super-2 number, since 2×1423123131² = 4050558891974486322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423123098 and 1423123107.

It is not an unprimeable number, because it can be changed into a prime (1423123133) 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, 45571 + ... + 70163.

It is an arithmetic number, because the mean of its divisors is an integer number (237209130).

Almost surely, 2^1423123131 is an apocalyptic number.

1423123131 is a deficient number, since it is larger than the sum of its proper divisors (474549909).

1423123131 is a wasteful number, since it uses less digits than its factorization.

1423123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43885.

The product of its digits is 432, while the sum is 21.

The square root of 1423123131 is about 37724.3042480574. The cubic root of 1423123131 is about 1124.8142919140.

Adding to 1423123131 its reverse (1313213241), we get a palindrome (2736336372).

The spelling of 1423123131 in words is "one billion, four hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-one".