123033313301431 has 4 divisors (see below), whose sum is σ = 132497414324632. Its totient is φ = 113569212278232.

The previous prime is 123033313301389. The next prime is 123033313301453. The reversal of 123033313301431 is 134103313330321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123033313301431 - 2¹¹ = 123033313299383 is a prime.

It is a super-2 number, since 2×123033313301431² (a number of 29 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 = 123033313301393 and 123033313301402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123033313301831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4732050511581 + ... + 4732050511606.

It is an arithmetic number, because the mean of its divisors is an integer number (33124353581158).

Almost surely, 2^{123033313301431} is an apocalyptic number.

123033313301431 is a deficient number, since it is larger than the sum of its proper divisors (9464101023201).

123033313301431 is an equidigital number, since it uses as much as digits as its factorization.

123033313301431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464101023200.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 123033313301431 its reverse (134103313330321), we get a palindrome (257136626631752).

The spelling of 123033313301431 in words is "one hundred twenty-three trillion, thirty-three billion, three hundred thirteen million, three hundred one thousand, four hundred thirty-one".