10123031123 has 8 divisors (see below), whose sum is σ = 10734442128. Its totient is φ = 9513391104.

The previous prime is 10123031099. The next prime is 10123031153. The reversal of 10123031123 is 32113032101.

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 10123031123 - 2⁸ = 10123030867 is a prime.

It is a super-2 number, since 2×10123031123² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10123031153) 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, 430961 + ... + 453842.

It is an arithmetic number, because the mean of its divisors is an integer number (1341805266).

Almost surely, 2^10123031123 is an apocalyptic number.

10123031123 is a deficient number, since it is larger than the sum of its proper divisors (611411005).

10123031123 is an equidigital number, since it uses as much as digits as its factorization.

10123031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885493.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10123031123 its reverse (32113032101), we get a palindrome (42236063224).

The spelling of 10123031123 in words is "ten billion, one hundred twenty-three million, thirty-one thousand, one hundred twenty-three".