747056123 has 8 divisors (see below), whose sum is σ = 850404096. Its totient is φ = 649613800.

The previous prime is 747056119. The next prime is 747056129. The reversal of 747056123 is 321650747.

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

It is not a de Polignac number, because 747056123 - 2² = 747056119 is a prime.

It is a super-2 number, since 2×747056123² = 1116185701823582258, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747056129) 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, 1476143 + ... + 1476648.

It is an arithmetic number, because the mean of its divisors is an integer number (106300512).

Almost surely, 2^747056123 is an apocalyptic number.

747056123 is a deficient number, since it is larger than the sum of its proper divisors (103347973).

747056123 is a wasteful number, since it uses less digits than its factorization.

747056123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952825.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 747056123 is about 27332.3274347429. The cubic root of 747056123 is about 907.3699866615.

The spelling of 747056123 in words is "seven hundred forty-seven million, fifty-six thousand, one hundred twenty-three".