1042207723 has 2 divisors, whose sum is σ = 1042207724. Its totient is φ = 1042207722.

The previous prime is 1042207697. The next prime is 1042207769. The reversal of 1042207723 is 3277022401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042207723 - 2²¹ = 1040110571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042207691 and 1042207700.

It is not a weakly prime, because it can be changed into another prime (1042207783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521103861 + 521103862.

It is an arithmetic number, because the mean of its divisors is an integer number (521103862).

Almost surely, 2^1042207723 is an apocalyptic number.

1042207723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042207723 is an equidigital number, since it uses as much as digits as its factorization.

1042207723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 1042207723 is about 32283.2421389178. The cubic root of 1042207723 is about 1013.8758122921.

The spelling of 1042207723 in words is "one billion, forty-two million, two hundred seven thousand, seven hundred twenty-three".