1031402423 has 16 divisors (see below), whose sum is σ = 1061061120. Its totient is φ = 1002240000.

The previous prime is 1031402381. The next prime is 1031402443. The reversal of 1031402423 is 3242041301.

It is a cyclic number.

It is not a de Polignac number, because 1031402423 - 2⁸ = 1031402167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031402395 and 1031402404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031402443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3805778 + ... + 3806048.

It is an arithmetic number, because the mean of its divisors is an integer number (66316320).

Almost surely, 2^1031402423 is an apocalyptic number.

1031402423 is a deficient number, since it is larger than the sum of its proper divisors (29658697).

1031402423 is a wasteful number, since it uses less digits than its factorization.

1031402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

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

The square root of 1031402423 is about 32115.4545818676. The cubic root of 1031402423 is about 1010.3597786975.

Adding to 1031402423 its reverse (3242041301), we get a palindrome (4273443724).

The spelling of 1031402423 in words is "one billion, thirty-one million, four hundred two thousand, four hundred twenty-three".