125105723 has 2 divisors, whose sum is σ = 125105724. Its totient is φ = 125105722.

The previous prime is 125105711. The next prime is 125105741. The reversal of 125105723 is 327501521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125105723 - 2⁴ = 125105707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125105692 and 125105701.

It is not a weakly prime, because it can be changed into another prime (125105423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62552861 + 62552862.

It is an arithmetic number, because the mean of its divisors is an integer number (62552862).

Almost surely, 2^125105723 is an apocalyptic number.

125105723 is a deficient number, since it is larger than the sum of its proper divisors (1).

125105723 is an equidigital number, since it uses as much as digits as its factorization.

125105723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 125105723 is about 11185.0669644844. The cubic root of 125105723 is about 500.1409242770.

The spelling of 125105723 in words is "one hundred twenty-five million, one hundred five thousand, seven hundred twenty-three".