80023631 has 2 divisors, whose sum is σ = 80023632. Its totient is φ = 80023630.

The previous prime is 80023583. The next prime is 80023639. The reversal of 80023631 is 13632008.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80023631 is a prime.

It is a super-2 number, since 2×80023631² = 12807563036848322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80023597 and 80023606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80023639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40011815 + 40011816.

It is an arithmetic number, because the mean of its divisors is an integer number (40011816).

Almost surely, 2^80023631 is an apocalyptic number.

80023631 is a deficient number, since it is larger than the sum of its proper divisors (1).

80023631 is an equidigital number, since it uses as much as digits as its factorization.

80023631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 80023631 is about 8945.5928255203. The cubic root of 80023631 is about 430.9293600348.

Adding to 80023631 its reverse (13632008), we get a palindrome (93655639).

The spelling of 80023631 in words is "eighty million, twenty-three thousand, six hundred thirty-one".