1223344401020 has 24 divisors (see below), whose sum is σ = 2936026562784. Its totient is φ = 419432366016.

The previous prime is 1223344401011. The next prime is 1223344401047. The reversal of 1223344401020 is 201044433221.

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, 4369087007 + ... + 4369087286.

It is an arithmetic number, because the mean of its divisors is an integer number (122334440116).

Almost surely, 2^{1223344401020} is an apocalyptic number.

1223344401020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223344401020 is an abundant number, since it is smaller than the sum of its proper divisors (1712682161764).

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

1223344401020 is a wasteful number, since it uses less digits than its factorization.

1223344401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8738174309 (or 8738174307 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1223344401020 its reverse (201044433221), we get a palindrome (1424388834241).

The spelling of 1223344401020 in words is "one trillion, two hundred twenty-three billion, three hundred forty-four million, four hundred one thousand, twenty".