125387623 has 2 divisors, whose sum is σ = 125387624. Its totient is φ = 125387622.

The previous prime is 125387573. The next prime is 125387641. The reversal of 125387623 is 326783521.

It is a strong prime.

It is an emirp because it is prime and its reverse (326783521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125387623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125387663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62693811 + 62693812.

It is an arithmetic number, because the mean of its divisors is an integer number (62693812).

Almost surely, 2^125387623 is an apocalyptic number.

125387623 is a deficient number, since it is larger than the sum of its proper divisors (1).

125387623 is an equidigital number, since it uses as much as digits as its factorization.

125387623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 125387623 is about 11197.6614969377. The cubic root of 125387623 is about 500.5162973572.

The spelling of 125387623 in words is "one hundred twenty-five million, three hundred eighty-seven thousand, six hundred twenty-three".