103023157138 has 16 divisors (see below), whose sum is σ = 178500016224. Its totient is φ = 44074077760.

The previous prime is 103023157129. The next prime is 103023157141. The reversal of 103023157138 is 831751320301.

It is a super-2 number, since 2×103023157138² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137731120 + ... + 137731867.

It is an arithmetic number, because the mean of its divisors is an integer number (11156251014).

Almost surely, 2^103023157138 is an apocalyptic number.

103023157138 is a deficient number, since it is larger than the sum of its proper divisors (75476859086).

103023157138 is a wasteful number, since it uses less digits than its factorization.

103023157138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275463017.

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 103023157138 its reverse (831751320301), we get a palindrome (934774477439).

The spelling of 103023157138 in words is "one hundred three billion, twenty-three million, one hundred fifty-seven thousand, one hundred thirty-eight".