127423797 has 4 divisors (see below), whose sum is σ = 169898400. Its totient is φ = 84949196.

The previous prime is 127423787. The next prime is 127423847. The reversal of 127423797 is 797324721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127423797 - 2¹⁰ = 127422773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127423787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21237297 + ... + 21237302.

It is an arithmetic number, because the mean of its divisors is an integer number (42474600).

Almost surely, 2^127423797 is an apocalyptic number.

It is an amenable number.

127423797 is a deficient number, since it is larger than the sum of its proper divisors (42474603).

127423797 is an equidigital number, since it uses as much as digits as its factorization.

127423797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42474602.

The product of its digits is 148176, while the sum is 42.

The square root of 127423797 is about 11288.2149607456. The cubic root of 127423797 is about 503.2110633325.

The spelling of 127423797 in words is "one hundred twenty-seven million, four hundred twenty-three thousand, seven hundred ninety-seven".