123020300031 has 8 divisors (see below), whose sum is σ = 171158678400. Its totient is φ = 78447727512.

The previous prime is 123020300003. The next prime is 123020300059. The reversal of 123020300031 is 130003020321.

It is an interprime number because it is at equal distance from previous prime (123020300003) and next prime (123020300059).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123020300031 - 2⁵ = 123020299999 is a prime.

It is a super-2 number, since 2×123020300031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020300531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891451381 + ... + 891451518.

It is an arithmetic number, because the mean of its divisors is an integer number (21394834800).

Almost surely, 2^123020300031 is an apocalyptic number.

123020300031 is a deficient number, since it is larger than the sum of its proper divisors (48138378369).

123020300031 is a wasteful number, since it uses less digits than its factorization.

123020300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782902925.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123020300031 its reverse (130003020321), we get a palindrome (253023320352).

The spelling of 123020300031 in words is "one hundred twenty-three billion, twenty million, three hundred thousand, thirty-one".