1923632245 has 4 divisors (see below), whose sum is σ = 2308358700. Its totient is φ = 1538905792.

The previous prime is 1923632239. The next prime is 1923632251. The reversal of 1923632245 is 5422363291.

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

It is an interprime number because it is at equal distance from previous prime (1923632239) and next prime (1923632251).

It can be written as a sum of positive squares in 2 ways, for example, as 507916369 + 1415715876 = 22537^2 + 37626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1923632245 - 2¹⁹ = 1923107957 is a prime.

It is a super-2 number, since 2×1923632245² = 7400722028007480050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192363220 + ... + 192363229.

It is an arithmetic number, because the mean of its divisors is an integer number (577089675).

Almost surely, 2^1923632245 is an apocalyptic number.

It is an amenable number.

1923632245 is a deficient number, since it is larger than the sum of its proper divisors (384726455).

1923632245 is an equidigital number, since it uses as much as digits as its factorization.

1923632245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384726454.

The product of its digits is 77760, while the sum is 37.

The square root of 1923632245 is about 43859.2321524215. The cubic root of 1923632245 is about 1243.6762746127.

The spelling of 1923632245 in words is "one billion, nine hundred twenty-three million, six hundred thirty-two thousand, two hundred forty-five".