715123 has 2 divisors, whose sum is σ = 715124. Its totient is φ = 715122.

The previous prime is 715109. The next prime is 715151. The reversal of 715123 is 321517.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715123 is a prime.

It is a super-2 number, since 2×715123² = 1022801810258, which contains 22 as substring.

715123 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 715123.

It is not a weakly prime, because it can be changed into another prime (715153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357561 + 357562.

It is an arithmetic number, because the mean of its divisors is an integer number (357562).

2⁷¹⁵¹²³ is an apocalyptic number.

715123 is a deficient number, since it is larger than the sum of its proper divisors (1).

715123 is an equidigital number, since it uses as much as digits as its factorization.

715123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 210, while the sum is 19.

The square root of 715123 is about 845.6494545614. The cubic root of 715123 is about 89.4252676619.

It can be divided in two parts, 715 and 123, that added together give a palindrome (838).

The spelling of 715123 in words is "seven hundred fifteen thousand, one hundred twenty-three".