1423475002890 has 24 divisors (see below), whose sum is σ = 3701035007748. Its totient is φ = 379593334080.

The previous prime is 1423475002861. The next prime is 1423475002907. The reversal of 1423475002890 is 982005743241.

1423475002890 is a `hidden beast` number, since 1 + 4 + 2 + 34 + 7 + 500 + 28 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1363983402609 + 59491600281 = 1167897^2 + 243909^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7908194371 + ... + 7908194550.

Almost surely, 2^{1423475002890} is an apocalyptic number.

1423475002890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423475002890 is an abundant number, since it is smaller than the sum of its proper divisors (2277560004858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423475002890 is a wasteful number, since it uses less digits than its factorization.

1423475002890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816388934 (or 15816388931 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 1423475002890 in words is "one trillion, four hundred twenty-three billion, four hundred seventy-five million, two thousand, eight hundred ninety".