10420323437 has 2 divisors, whose sum is σ = 10420323438. Its totient is φ = 10420323436.

The previous prime is 10420323427. The next prime is 10420323497. The reversal of 10420323437 is 73432302401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10321340836 + 98982601 = 101594^2 + 9949^2 .

It is a cyclic number.

It is not a de Polignac number, because 10420323437 - 2¹⁰ = 10420322413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420323427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210161718 + 5210161719.

It is an arithmetic number, because the mean of its divisors is an integer number (5210161719).

Almost surely, 2^10420323437 is an apocalyptic number.

It is an amenable number.

10420323437 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420323437 is an equidigital number, since it uses as much as digits as its factorization.

10420323437 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.

Adding to 10420323437 its reverse (73432302401), we get a palindrome (83852625838).

The spelling of 10420323437 in words is "ten billion, four hundred twenty million, three hundred twenty-three thousand, four hundred thirty-seven".