1022012423 has 2 divisors, whose sum is σ = 1022012424. Its totient is φ = 1022012422.

The previous prime is 1022012419. The next prime is 1022012441. The reversal of 1022012423 is 3242102201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022012423 - 2² = 1022012419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022012473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511006211 + 511006212.

It is an arithmetic number, because the mean of its divisors is an integer number (511006212).

Almost surely, 2^1022012423 is an apocalyptic number.

1022012423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022012423 is an equidigital number, since it uses as much as digits as its factorization.

1022012423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1022012423 is about 31968.9290249142. The cubic root of 1022012423 is about 1007.2842846932.

Adding to 1022012423 its reverse (3242102201), we get a palindrome (4264114624).

The spelling of 1022012423 in words is "one billion, twenty-two million, twelve thousand, four hundred twenty-three".