19323045 has 24 divisors (see below), whose sum is σ = 38278656. Its totient is φ = 8833248.

The previous prime is 19323041. The next prime is 19323047. The reversal of 19323045 is 54032391.

It is not a de Polignac number, because 19323045 - 2² = 19323041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19323041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30357 + ... + 30986.

It is an arithmetic number, because the mean of its divisors is an integer number (1594944).

Almost surely, 2^19323045 is an apocalyptic number.

19323045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19323045 is a deficient number, since it is larger than the sum of its proper divisors (18955611).

19323045 is a wasteful number, since it uses less digits than its factorization.

19323045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61361 (or 61358 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 19323045 is about 4395.7985622637. The cubic root of 19323045 is about 268.3439789337.

The spelling of 19323045 in words is "nineteen million, three hundred twenty-three thousand, forty-five".