125703623 has 2 divisors, whose sum is σ = 125703624. Its totient is φ = 125703622.

The previous prime is 125703607. The next prime is 125703631. The reversal of 125703623 is 326307521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125703623 - 2⁴ = 125703607 is a prime.

It is a super-2 number, since 2×125703623² = 31602801670652258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125703673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62851811 + 62851812.

It is an arithmetic number, because the mean of its divisors is an integer number (62851812).

Almost surely, 2^125703623 is an apocalyptic number.

125703623 is a deficient number, since it is larger than the sum of its proper divisors (1).

125703623 is an equidigital number, since it uses as much as digits as its factorization.

125703623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 125703623 is about 11211.7627070858. The cubic root of 125703623 is about 500.9364091809.

The spelling of 125703623 in words is "one hundred twenty-five million, seven hundred three thousand, six hundred twenty-three".