19925023 has 4 divisors (see below), whose sum is σ = 20035288. Its totient is φ = 19814760.

The previous prime is 19925021. The next prime is 19925029. The reversal of 19925023 is 32052991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32052991 = 1783 ⋅17977.

It is a cyclic number.

It is not a de Polignac number, because 19925023 - 2¹ = 19925021 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 (19925021) 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, 54861 + ... + 55222.

It is an arithmetic number, because the mean of its divisors is an integer number (5008822).

Almost surely, 2^19925023 is an apocalyptic number.

19925023 is a deficient number, since it is larger than the sum of its proper divisors (110265).

19925023 is a wasteful number, since it uses less digits than its factorization.

19925023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110264.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 19925023 is about 4463.7454004457. The cubic root of 19925023 is about 271.1021387574.

The spelling of 19925023 in words is "nineteen million, nine hundred twenty-five thousand, twenty-three".