140123433 has 4 divisors (see below), whose sum is σ = 186831248. Its totient is φ = 93415620.

The previous prime is 140123411. The next prime is 140123479. The reversal of 140123433 is 334321041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140123433 - 2⁸ = 140123177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140123483) 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, 23353903 + ... + 23353908.

It is an arithmetic number, because the mean of its divisors is an integer number (46707812).

Almost surely, 2^140123433 is an apocalyptic number.

It is an amenable number.

140123433 is a deficient number, since it is larger than the sum of its proper divisors (46707815).

140123433 is an equidigital number, since it uses as much as digits as its factorization.

140123433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46707814.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 140123433 is about 11837.3744132726. The cubic root of 140123433 is about 519.4019665795.

Adding to 140123433 its reverse (334321041), we get a palindrome (474444474).

The spelling of 140123433 in words is "one hundred forty million, one hundred twenty-three thousand, four hundred thirty-three".