123254534 has 8 divisors (see below), whose sum is σ = 199103520. Its totient is φ = 56886696.

The previous prime is 123254513. The next prime is 123254557. The reversal of 123254534 is 435452321.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123254497 and 123254506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370254 + ... + 2370305.

It is an arithmetic number, because the mean of its divisors is an integer number (24887940).

Almost surely, 2^123254534 is an apocalyptic number.

123254534 is a deficient number, since it is larger than the sum of its proper divisors (75848986).

123254534 is a wasteful number, since it uses less digits than its factorization.

123254534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740574.

The product of its digits is 14400, while the sum is 29.

The square root of 123254534 is about 11102.0058547994. The cubic root of 123254534 is about 497.6617946359.

The spelling of 123254534 in words is "one hundred twenty-three million, two hundred fifty-four thousand, five hundred thirty-four".