140451323 has 2 divisors, whose sum is σ = 140451324. Its totient is φ = 140451322.

The previous prime is 140451313. The next prime is 140451361. The reversal of 140451323 is 323154041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140451323 - 2⁸ = 140451067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (140451313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70225661 + 70225662.

It is an arithmetic number, because the mean of its divisors is an integer number (70225662).

Almost surely, 2^140451323 is an apocalyptic number.

140451323 is a deficient number, since it is larger than the sum of its proper divisors (1).

140451323 is an equidigital number, since it uses as much as digits as its factorization.

140451323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 140451323 is about 11851.2160979370. The cubic root of 140451323 is about 519.8067859588.

The spelling of 140451323 in words is "one hundred forty million, four hundred fifty-one thousand, three hundred twenty-three".