123532105031 has 8 divisors (see below), whose sum is σ = 124653879504. Its totient is φ = 122415328000.

The previous prime is 123532105019. The next prime is 123532105133. The reversal of 123532105031 is 130501235321.

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 123532105031 - 2⁶ = 123532104967 is a prime.

It is a super-2 number, since 2×123532105031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123532105331) 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, 1199690 + ... + 1298583.

It is an arithmetic number, because the mean of its divisors is an integer number (15581734938).

Almost surely, 2^123532105031 is an apocalyptic number.

123532105031 is a deficient number, since it is larger than the sum of its proper divisors (1121774473).

123532105031 is a wasteful number, since it uses less digits than its factorization.

123532105031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498721.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 123532105031 in words is "one hundred twenty-three billion, five hundred thirty-two million, one hundred five thousand, thirty-one".