1423220244373 has 2 divisors, whose sum is σ = 1423220244374. Its totient is φ = 1423220244372.

The previous prime is 1423220244307. The next prime is 1423220244451. The reversal of 1423220244373 is 3734420223241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1216516349764 + 206703894609 = 1102958^2 + 454647^2 .

It is an emirp because it is prime and its reverse (3734420223241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423220244373 - 2²⁵ = 1423186689941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423220244473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711610122186 + 711610122187.

It is an arithmetic number, because the mean of its divisors is an integer number (711610122187).

Almost surely, 2^{1423220244373} is an apocalyptic number.

It is an amenable number.

1423220244373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423220244373 is an equidigital number, since it uses as much as digits as its factorization.

1423220244373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 37.

The spelling of 1423220244373 in words is "one trillion, four hundred twenty-three billion, two hundred twenty million, two hundred forty-four thousand, three hundred seventy-three".