1023140407 has 2 divisors, whose sum is σ = 1023140408. Its totient is φ = 1023140406.

The previous prime is 1023140369. The next prime is 1023140411. The reversal of 1023140407 is 7040413201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023140407 is a prime.

It is a super-2 number, since 2×1023140407² = 2093632584872251298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023140467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511570203 + 511570204.

It is an arithmetic number, because the mean of its divisors is an integer number (511570204).

Almost surely, 2^1023140407 is an apocalyptic number.

1023140407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023140407 is an equidigital number, since it uses as much as digits as its factorization.

1023140407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1023140407 is about 31986.5660395110. The cubic root of 1023140407 is about 1007.6547246810.

Adding to 1023140407 its reverse (7040413201), we get a palindrome (8063553608).

The spelling of 1023140407 in words is "one billion, twenty-three million, one hundred forty thousand, four hundred seven".