1348923421 has 2 divisors, whose sum is σ = 1348923422. Its totient is φ = 1348923420.

The previous prime is 1348923413. The next prime is 1348923461. The reversal of 1348923421 is 1243298431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 700660900 + 648262521 = 26470^2 + 25461^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348923421 - 2³ = 1348923413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348923461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674461710 + 674461711.

It is an arithmetic number, because the mean of its divisors is an integer number (674461711).

Almost surely, 2^1348923421 is an apocalyptic number.

It is an amenable number.

1348923421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348923421 is an equidigital number, since it uses as much as digits as its factorization.

1348923421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 1348923421 is about 36727.6928352435. The cubic root of 1348923421 is about 1104.9155825029.

The spelling of 1348923421 in words is "one billion, three hundred forty-eight million, nine hundred twenty-three thousand, four hundred twenty-one".