19630023 has 8 divisors (see below), whose sum is σ = 29912448. Its totient is φ = 11217144.

The previous prime is 19630007. The next prime is 19630027. The reversal of 19630023 is 32003691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19630023 - 2⁴ = 19630007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19629975 and 19630002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19630027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467361 + ... + 467402.

It is an arithmetic number, because the mean of its divisors is an integer number (3739056).

Almost surely, 2^19630023 is an apocalyptic number.

19630023 is a deficient number, since it is larger than the sum of its proper divisors (10282425).

19630023 is an equidigital number, since it uses as much as digits as its factorization.

19630023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934773.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 19630023 is about 4430.5781789739. The cubic root of 19630023 is about 269.7575464080.

The spelling of 19630023 in words is "nineteen million, six hundred thirty thousand, twenty-three".