125423023 has 4 divisors (see below), whose sum is σ = 136825128. Its totient is φ = 114020920.

The previous prime is 125423021. The next prime is 125423029. The reversal of 125423023 is 320324521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125423023 - 2¹ = 125423021 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 125422985 and 125423003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125423021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5701036 + ... + 5701057.

It is an arithmetic number, because the mean of its divisors is an integer number (34206282).

Almost surely, 2^125423023 is an apocalyptic number.

125423023 is a deficient number, since it is larger than the sum of its proper divisors (11402105).

125423023 is a wasteful number, since it uses less digits than its factorization.

125423023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11402104.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 125423023 is about 11199.2420725690. The cubic root of 125423023 is about 500.5633955990.

Adding to 125423023 its reverse (320324521), we get a palindrome (445747544).

The spelling of 125423023 in words is "one hundred twenty-five million, four hundred twenty-three thousand, twenty-three".