1423402373 has 2 divisors, whose sum is σ = 1423402374. Its totient is φ = 1423402372.

The previous prime is 1423402369. The next prime is 1423402427. The reversal of 1423402373 is 3732043241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1237843489 + 185558884 = 35183^2 + 13622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423402373 - 2² = 1423402369 is a prime.

It is a super-2 number, since 2×1423402373² = 4052148630924062258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423402313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711701186 + 711701187.

It is an arithmetic number, because the mean of its divisors is an integer number (711701187).

Almost surely, 2^1423402373 is an apocalyptic number.

It is an amenable number.

1423402373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423402373 is an equidigital number, since it uses as much as digits as its factorization.

1423402373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 1423402373 is about 37728.0051553220. The cubic root of 1423402373 is about 1124.8878566076.

The spelling of 1423402373 in words is "one billion, four hundred twenty-three million, four hundred two thousand, three hundred seventy-three".