140002023 has 32 divisors (see below), whose sum is σ = 219580416. Its totient is φ = 77682528.

The previous prime is 140002019. The next prime is 140002063. The reversal of 140002023 is 320200041.

It is not a de Polignac number, because 140002023 - 2² = 140002019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140002063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204640 + ... + 205322.

It is an arithmetic number, because the mean of its divisors is an integer number (6861888).

Almost surely, 2^140002023 is an apocalyptic number.

140002023 is a deficient number, since it is larger than the sum of its proper divisors (79578393).

140002023 is a wasteful number, since it uses less digits than its factorization.

140002023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 140002023 is about 11832.2450532433. The cubic root of 140002023 is about 519.2519112244.

Adding to 140002023 its reverse (320200041), we get a palindrome (460202064).

The spelling of 140002023 in words is "one hundred forty million, two thousand, twenty-three".