10123012431 has 24 divisors (see below), whose sum is σ = 16732703520. Its totient is φ = 5777067456.

The previous prime is 10123012429. The next prime is 10123012439. The reversal of 10123012431 is 13421032101.

10123012431 is a `hidden beast` number, since 1 + 0 + 1 + 230 + 1 + 2 + 431 = 666.

It is not a de Polignac number, because 10123012431 - 2¹ = 10123012429 is a prime.

It is a super-2 number, since 2×10123012431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123012439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55236 + ... + 152633.

It is an arithmetic number, because the mean of its divisors is an integer number (697195980).

Almost surely, 2^10123012431 is an apocalyptic number.

10123012431 is a deficient number, since it is larger than the sum of its proper divisors (6609691089).

10123012431 is a wasteful number, since it uses less digits than its factorization.

10123012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208655 (or 208652 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10123012431 its reverse (13421032101), we get a palindrome (23544044532).

The spelling of 10123012431 in words is "ten billion, one hundred twenty-three million, twelve thousand, four hundred thirty-one".