190229823 has 16 divisors (see below), whose sum is σ = 322082560. Its totient is φ = 108702648.

The previous prime is 190229789. The next prime is 190229827. The reversal of 190229823 is 328922091.

It is not a de Polignac number, because 190229823 - 2¹⁰ = 190228799 is a prime.

It is a super-2 number, since 2×190229823² = 72374771117222658, 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 (190229827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503065 + ... + 503442.

It is an arithmetic number, because the mean of its divisors is an integer number (20130160).

Almost surely, 2^190229823 is an apocalyptic number.

190229823 is a deficient number, since it is larger than the sum of its proper divisors (131852737).

190229823 is a wasteful number, since it uses less digits than its factorization.

190229823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006523 (or 1006517 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 190229823 is about 13792.3827890615. The cubic root of 190229823 is about 575.1214090197.

The spelling of 190229823 in words is "one hundred ninety million, two hundred twenty-nine thousand, eight hundred twenty-three".