975142223 has 4 divisors (see below), whose sum is σ = 1063791528. Its totient is φ = 886492920.

The previous prime is 975142199. The next prime is 975142243. The reversal of 975142223 is 322241579.

It is a happy number.

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 975142223 - 2⁸ = 975141967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975142243) 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, 44324636 + ... + 44324657.

It is an arithmetic number, because the mean of its divisors is an integer number (265947882).

Almost surely, 2^975142223 is an apocalyptic number.

975142223 is a deficient number, since it is larger than the sum of its proper divisors (88649305).

975142223 is a wasteful number, since it uses less digits than its factorization.

975142223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88649304.

The product of its digits is 30240, while the sum is 35.

The square root of 975142223 is about 31227.2672995893. The cubic root of 975142223 is about 991.6444536260.

The spelling of 975142223 in words is "nine hundred seventy-five million, one hundred forty-two thousand, two hundred twenty-three".