140023230 has 32 divisors (see below), whose sum is σ = 336382848. Its totient is φ = 37303200.

The previous prime is 140023211. The next prime is 140023267. The reversal of 140023230 is 32320041.

140023230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45645 + ... + 48615.

It is an arithmetic number, because the mean of its divisors is an integer number (10511964).

Almost surely, 2^140023230 is an apocalyptic number.

140023230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140023230 is an abundant number, since it is smaller than the sum of its proper divisors (196359618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140023230 is a wasteful number, since it uses less digits than its factorization.

140023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140023230 is about 11833.1411721487. The cubic root of 140023230 is about 519.2781280344.

Adding to 140023230 its reverse (32320041), we get a palindrome (172343271).

The spelling of 140023230 in words is "one hundred forty million, twenty-three thousand, two hundred thirty".