1223688900348 has 48 divisors (see below), whose sum is σ = 3174357920160. Its totient is φ = 407660867712.

The previous prime is 1223688900337. The next prime is 1223688900361. The reversal of 1223688900348 is 8430098863221.

It is a super-2 number, since 2×1223688900348² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1223688900294 and 1223688900303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3081865 + ... + 3456192.

It is an arithmetic number, because the mean of its divisors is an integer number (66132456670).

Almost surely, 2^{1223688900348} is an apocalyptic number.

1223688900348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1223688900348 is an abundant number, since it is smaller than the sum of its proper divisors (1950669019812).

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

1223688900348 is a wasteful number, since it uses less digits than its factorization.

1223688900348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539803 (or 6539795 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 1223688900348 in words is "one trillion, two hundred twenty-three billion, six hundred eighty-eight million, nine hundred thousand, three hundred forty-eight".