140225823 has 24 divisors (see below), whose sum is σ = 210782208. Its totient is φ = 93158424.

The previous prime is 140225807. The next prime is 140225849. The reversal of 140225823 is 328522041.

140225823 is a `hidden beast` number, since 1 + 402 + 258 + 2 + 3 = 666.

It is not a de Polignac number, because 140225823 - 2⁴ = 140225807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223823) 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, 83490 + ... + 85152.

It is an arithmetic number, because the mean of its divisors is an integer number (8782592).

Almost surely, 2^140225823 is an apocalyptic number.

140225823 is a deficient number, since it is larger than the sum of its proper divisors (70556385).

140225823 is an equidigital number, since it uses as much as digits as its factorization.

140225823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 140225823 is about 11841.6984845925. The cubic root of 140225823 is about 519.5284470165.

Adding to 140225823 its reverse (328522041), we get a palindrome (468747864).

It can be divided in two parts, 1402 and 25823, that added together give a square (27225 = 165²).

The spelling of 140225823 in words is "one hundred forty million, two hundred twenty-five thousand, eight hundred twenty-three".