123345602031 has 8 divisors (see below), whose sum is σ = 164548710144. Its totient is φ = 82186447640.

The previous prime is 123345602027. The next prime is 123345602047. The reversal of 123345602031 is 130206543321.

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

It is a cyclic number.

It is not a de Polignac number, because 123345602031 - 2² = 123345602027 is a prime.

It is a super-2 number, since 2×123345602031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123345602031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345622031) 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, 10981881 + ... + 10993106.

It is an arithmetic number, because the mean of its divisors is an integer number (20568588768).

Almost surely, 2^123345602031 is an apocalyptic number.

123345602031 is a deficient number, since it is larger than the sum of its proper divisors (41203108113).

123345602031 is a wasteful number, since it uses less digits than its factorization.

123345602031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21976861.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 123345602031 in words is "one hundred twenty-three billion, three hundred forty-five million, six hundred two thousand, thirty-one".