8240923403 has 2 divisors, whose sum is σ = 8240923404. Its totient is φ = 8240923402.

The previous prime is 8240923373. The next prime is 8240923421. The reversal of 8240923403 is 3043290428.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8240923403 - 2¹⁴ = 8240907019 is a prime.

It is a super-2 number, since 2×8240923403² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8240925403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4120461701 + 4120461702.

It is an arithmetic number, because the mean of its divisors is an integer number (4120461702).

Almost surely, 2^8240923403 is an apocalyptic number.

8240923403 is a deficient number, since it is larger than the sum of its proper divisors (1).

8240923403 is an equidigital number, since it uses as much as digits as its factorization.

8240923403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 8240923403 is about 90779.5318505223. The cubic root of 8240923403 is about 2019.8787140033.

The spelling of 8240923403 in words is "eight billion, two hundred forty million, nine hundred twenty-three thousand, four hundred three".