2140423357 has 2 divisors, whose sum is σ = 2140423358. Its totient is φ = 2140423356.

The previous prime is 2140423343. The next prime is 2140423421. The reversal of 2140423357 is 7533240412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2107636281 + 32787076 = 45909^2 + 5726^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140423357 - 2¹⁵ = 2140390589 is a prime.

It is a super-2 number, since 2×2140423357² = 9162824294382298898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140483357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070211678 + 1070211679.

It is an arithmetic number, because the mean of its divisors is an integer number (1070211679).

Almost surely, 2^2140423357 is an apocalyptic number.

It is an amenable number.

2140423357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140423357 is an equidigital number, since it uses as much as digits as its factorization.

2140423357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 2140423357 is about 46264.7096283982. The cubic root of 2140423357 is about 1288.7437155525.

Adding to 2140423357 its reverse (7533240412), we get a palindrome (9673663769).

The spelling of 2140423357 in words is "two billion, one hundred forty million, four hundred twenty-three thousand, three hundred fifty-seven".