1023807497 has 2 divisors, whose sum is σ = 1023807498. Its totient is φ = 1023807496.

The previous prime is 1023807479. The next prime is 1023807529. The reversal of 1023807497 is 7947083201.

Together with previous prime (1023807479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011494416 + 12313081 = 31804^2 + 3509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023807497 - 2¹⁴ = 1023791113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023807397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511903748 + 511903749.

It is an arithmetic number, because the mean of its divisors is an integer number (511903749).

Almost surely, 2^1023807497 is an apocalyptic number.

It is an amenable number.

1023807497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023807497 is an equidigital number, since it uses as much as digits as its factorization.

1023807497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1023807497 is about 31996.9919992489. The cubic root of 1023807497 is about 1007.8736748685.

The spelling of 1023807497 in words is "one billion, twenty-three million, eight hundred seven thousand, four hundred ninety-seven".