20140223351 has 2 divisors, whose sum is σ = 20140223352. Its totient is φ = 20140223350.

The previous prime is 20140223339. The next prime is 20140223371. The reversal of 20140223351 is 15332204102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20140223351 - 2³⁰ = 19066481527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20140223371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070111675 + 10070111676.

It is an arithmetic number, because the mean of its divisors is an integer number (10070111676).

Almost surely, 2^20140223351 is an apocalyptic number.

20140223351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20140223351 is an equidigital number, since it uses as much as digits as its factorization.

20140223351 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.

Adding to 20140223351 its reverse (15332204102), we get a palindrome (35472427453).

The spelling of 20140223351 in words is "twenty billion, one hundred forty million, two hundred twenty-three thousand, three hundred fifty-one".