31023230123 has 8 divisors (see below), whose sum is σ = 32384021040. Its totient is φ = 29689930080.

The previous prime is 31023230101. The next prime is 31023230137. The reversal of 31023230123 is 32103232013.

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 31023230123 - 2¹⁸ = 31022967979 is a prime.

It is a super-2 number, since 2×31023230123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31023230095 and 31023230104.

It is not an unprimeable number, because it can be changed into a prime (31023230143) 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, 6870413 + ... + 6874926.

It is an arithmetic number, because the mean of its divisors is an integer number (4048002630).

Almost surely, 2^31023230123 is an apocalyptic number.

31023230123 is a deficient number, since it is larger than the sum of its proper divisors (1360790917).

31023230123 is a wasteful number, since it uses less digits than its factorization.

31023230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13745437.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31023230123 its reverse (32103232013), we get a palindrome (63126462136).

The spelling of 31023230123 in words is "thirty-one billion, twenty-three million, two hundred thirty thousand, one hundred twenty-three".