1023626243 has 2 divisors, whose sum is σ = 1023626244. Its totient is φ = 1023626242.

The previous prime is 1023626239. The next prime is 1023626251. The reversal of 1023626243 is 3426263201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023626243 - 2² = 1023626239 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023626203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511813121 + 511813122.

It is an arithmetic number, because the mean of its divisors is an integer number (511813122).

Almost surely, 2^1023626243 is an apocalyptic number.

1023626243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023626243 is an equidigital number, since it uses as much as digits as its factorization.

1023626243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1023626243 is about 31994.1595138863. The cubic root of 1023626243 is about 1007.8141936616.

Adding to 1023626243 its reverse (3426263201), we get a palindrome (4449889444).

The spelling of 1023626243 in words is "one billion, twenty-three million, six hundred twenty-six thousand, two hundred forty-three".