42923503493 has 16 divisors (see below), whose sum is σ = 47488590576. Its totient is φ = 38539514880.

The previous prime is 42923503487. The next prime is 42923503499. The reversal of 42923503493 is 39430532924.

It is an interprime number because it is at equal distance from previous prime (42923503487) and next prime (42923503499).

It can be written as a sum of positive squares in 8 ways, for example, as 71605444 + 42851898049 = 8462^2 + 207007^2 .

It is a cyclic number.

It is not a de Polignac number, because 42923503493 - 2⁸ = 42923503237 is a prime.

It is a super-2 number, since 2×42923503493² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42923503499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1923005 + ... + 1945197.

It is an arithmetic number, because the mean of its divisors is an integer number (2968036911).

Almost surely, 2^42923503493 is an apocalyptic number.

It is an amenable number.

42923503493 is a deficient number, since it is larger than the sum of its proper divisors (4565087083).

42923503493 is a wasteful number, since it uses less digits than its factorization.

42923503493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26264.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 42923503493 in words is "forty-two billion, nine hundred twenty-three million, five hundred three thousand, four hundred ninety-three".