123734534 has 64 divisors (see below), whose sum is σ = 247421952. Its totient is φ = 44928000.

The previous prime is 123734531. The next prime is 123734537. The reversal of 123734534 is 435437321.

It is an interprime number because it is at equal distance from previous prime (123734531) and next prime (123734537).

It is a self number, because there is not a number n which added to its sum of digits gives 123734534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123734531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395162 + ... + 395474.

It is an arithmetic number, because the mean of its divisors is an integer number (3865968).

Almost surely, 2^123734534 is an apocalyptic number.

123734534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123734534 is a deficient number, since it is larger than the sum of its proper divisors (123687418).

123734534 is a wasteful number, since it uses less digits than its factorization.

123734534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its digits is 30240, while the sum is 32.

The square root of 123734534 is about 11123.6025639179. The cubic root of 123734534 is about 498.3069858766.

The spelling of 123734534 in words is "one hundred twenty-three million, seven hundred thirty-four thousand, five hundred thirty-four".