123734631 has 8 divisors (see below), whose sum is σ = 173662720. Its totient is φ = 78148152.

The previous prime is 123734629. The next prime is 123734647. The reversal of 123734631 is 136437321.

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

It is not a de Polignac number, because 123734631 - 2¹ = 123734629 is a prime.

It is a super-2 number, since 2×123734631² = 30620517817412322, which 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 (123734431) 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, 1085335 + ... + 1085448.

It is an arithmetic number, because the mean of its divisors is an integer number (21707840).

Almost surely, 2^123734631 is an apocalyptic number.

123734631 is a deficient number, since it is larger than the sum of its proper divisors (49928089).

123734631 is a wasteful number, since it uses less digits than its factorization.

123734631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170805.

The product of its digits is 9072, while the sum is 30.

The square root of 123734631 is about 11123.6069240152. The cubic root of 123734631 is about 498.3071160902.

The spelling of 123734631 in words is "one hundred twenty-three million, seven hundred thirty-four thousand, six hundred thirty-one".