2197850023 has 4 divisors (see below), whose sum is σ = 2313526360. Its totient is φ = 2082173688.

The previous prime is 2197850021. The next prime is 2197850033. The reversal of 2197850023 is 3200587912.

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 2197850023 - 2¹ = 2197850021 is a prime.

It is a super-2 number, since 2×2197850023² = 9661089447202201058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197850021) 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, 57838140 + ... + 57838177.

It is an arithmetic number, because the mean of its divisors is an integer number (578381590).

Almost surely, 2^2197850023 is an apocalyptic number.

2197850023 is a deficient number, since it is larger than the sum of its proper divisors (115676337).

2197850023 is a wasteful number, since it uses less digits than its factorization.

2197850023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115676336.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2197850023 is about 46881.2331642417. The cubic root of 2197850023 is about 1300.1676357788.

The spelling of 2197850023 in words is "two billion, one hundred ninety-seven million, eight hundred fifty thousand, twenty-three".