103123423240431 has 64 divisors (see below), whose sum is σ = 155566395072000. Its totient is φ = 60189907438080.

The previous prime is 103123423240429. The next prime is 103123423240477. The reversal of 103123423240431 is 134042324321301.

It is not a de Polignac number, because 103123423240431 - 2¹ = 103123423240429 is a prime.

It is a super-2 number, since 2×103123423240431² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 103123423240392 and 103123423240401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103123423244431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 839234265 + ... + 839357133.

It is an arithmetic number, because the mean of its divisors is an integer number (2430724923000).

Almost surely, 2^{103123423240431} is an apocalyptic number.

103123423240431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103123423240431 is a deficient number, since it is larger than the sum of its proper divisors (52442971831569).

103123423240431 is a wasteful number, since it uses less digits than its factorization.

103123423240431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125144.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 103123423240431 its reverse (134042324321301), we get a palindrome (237165747561732).

The spelling of 103123423240431 in words is "one hundred three trillion, one hundred twenty-three billion, four hundred twenty-three million, two hundred forty thousand, four hundred thirty-one".