263473430 has 16 divisors (see below), whose sum is σ = 517366224. Its totient is φ = 95808480.

The previous prime is 263473423. The next prime is 263473447. The reversal of 263473430 is 34374362.

263473430 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197497 + ... + 1197716.

It is an arithmetic number, because the mean of its divisors is an integer number (32335389).

Almost surely, 2^263473430 is an apocalyptic number.

263473430 is a deficient number, since it is larger than the sum of its proper divisors (253892794).

263473430 is a wasteful number, since it uses less digits than its factorization.

263473430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395231.

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 263473430 is about 16231.8646495096. The cubic root of 263473430 is about 641.0800691449.

It can be divided in two parts, 263 and 473430, that multiplied together give a triangular number (124512090 = T₁₅₇₈₀).

The spelling of 263473430 in words is "two hundred sixty-three million, four hundred seventy-three thousand, four hundred thirty".