123310021101043 has 16 divisors (see below), whose sum is σ = 141099664566784. Its totient is φ = 105563902872960.

The previous prime is 123310021101011. The next prime is 123310021101067. The reversal of 123310021101043 is 340101120013321.

It is not a de Polignac number, because 123310021101043 - 2⁵ = 123310021101011 is a prime.

It is a super-2 number, since 2×123310021101043² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123310021101073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32101771 + ... + 35737147.

It is an arithmetic number, because the mean of its divisors is an integer number (8818729035424).

Almost surely, 2^{123310021101043} is an apocalyptic number.

123310021101043 is a deficient number, since it is larger than the sum of its proper divisors (17789643465741).

123310021101043 is an equidigital number, since it uses as much as digits as its factorization.

123310021101043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641362.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123310021101043 its reverse (340101120013321), we get a palindrome (463411141114364).

The spelling of 123310021101043 in words is "one hundred twenty-three trillion, three hundred ten billion, twenty-one million, one hundred one thousand, forty-three".