1229484861423 has 128 divisors (see below), whose sum is σ = 2307657676800. Its totient is φ = 629546950656.

The previous prime is 1229484861403. The next prime is 1229484861457. The reversal of 1229484861423 is 3241684849221.

1229484861423 is a `hidden beast` number, since 12 + 2 + 9 + 4 + 8 + 4 + 8 + 614 + 2 + 3 = 666.

It is not a de Polignac number, because 1229484861423 - 2¹³ = 1229484853231 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1229484861423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229484861403) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40257423 + ... + 40287951.

It is an arithmetic number, because the mean of its divisors is an integer number (18028575600).

Almost surely, 2^{1229484861423} is an apocalyptic number.

1229484861423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1229484861423 is a deficient number, since it is larger than the sum of its proper divisors (1078172815377).

1229484861423 is a wasteful number, since it uses less digits than its factorization.

1229484861423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31038 (or 31032 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 1229484861423 in words is "one trillion, two hundred twenty-nine billion, four hundred eighty-four million, eight hundred sixty-one thousand, four hundred twenty-three".