263023742 has 4 divisors (see below), whose sum is σ = 394535616. Its totient is φ = 131511870.

The previous prime is 263023741. The next prime is 263023753. The reversal of 263023742 is 247320362.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263023741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65755934 + ... + 65755937.

It is an arithmetic number, because the mean of its divisors is an integer number (98633904).

Almost surely, 2^263023742 is an apocalyptic number.

263023742 is a deficient number, since it is larger than the sum of its proper divisors (131511874).

263023742 is a wasteful number, since it uses less digits than its factorization.

263023742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131511873.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 263023742 is about 16218.0067209260. The cubic root of 263023742 is about 640.7151364807.

The spelling of 263023742 in words is "two hundred sixty-three million, twenty-three thousand, seven hundred forty-two".