957021423 has 4 divisors (see below), whose sum is σ = 1276028568. Its totient is φ = 638014280.

The previous prime is 957021419. The next prime is 957021437. The reversal of 957021423 is 324120759.

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 957021423 - 2² = 957021419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (957021493) 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, 159503568 + ... + 159503573.

It is an arithmetic number, because the mean of its divisors is an integer number (319007142).

Almost surely, 2^957021423 is an apocalyptic number.

957021423 is a deficient number, since it is larger than the sum of its proper divisors (319007145).

957021423 is a wasteful number, since it uses less digits than its factorization.

957021423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319007144.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 957021423 is about 30935.7628481988. The cubic root of 957021423 is about 985.4635223822.

The spelling of 957021423 in words is "nine hundred fifty-seven million, twenty-one thousand, four hundred twenty-three".