1142735623 has 2 divisors, whose sum is σ = 1142735624. Its totient is φ = 1142735622.

The previous prime is 1142735599. The next prime is 1142735651. The reversal of 1142735623 is 3265372411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142735623 - 2⁵ = 1142735591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142735023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571367811 + 571367812.

It is an arithmetic number, because the mean of its divisors is an integer number (571367812).

Almost surely, 2^1142735623 is an apocalyptic number.

1142735623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142735623 is an equidigital number, since it uses as much as digits as its factorization.

1142735623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 1142735623 is about 33804.3728384362. The cubic root of 1142735623 is about 1045.4788593103.

The spelling of 1142735623 in words is "one billion, one hundred forty-two million, seven hundred thirty-five thousand, six hundred twenty-three".