123427363031 has 4 divisors (see below), whose sum is σ = 141059843472. Its totient is φ = 105794882592.

The previous prime is 123427363027. The next prime is 123427363109. The reversal of 123427363031 is 130363724321.

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

It is not a de Polignac number, because 123427363031 - 2² = 123427363027 is a prime.

It is a super-2 number, since 2×123427363031² (a number of 23 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 = 123427362982 and 123427363000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123427363021) 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, 8816240210 + ... + 8816240223.

It is an arithmetic number, because the mean of its divisors is an integer number (35264960868).

Almost surely, 2^123427363031 is an apocalyptic number.

123427363031 is a deficient number, since it is larger than the sum of its proper divisors (17632480441).

123427363031 is an equidigital number, since it uses as much as digits as its factorization.

123427363031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17632480440.

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 123427363031 in words is "one hundred twenty-three billion, four hundred twenty-seven million, three hundred sixty-three thousand, thirty-one".