1223525013351 has 4 divisors (see below), whose sum is σ = 1631366684472. Its totient is φ = 815683342232.

The previous prime is 1223525013341. The next prime is 1223525013427. The reversal of 1223525013351 is 1533105253221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1223525013351 - 2⁹ = 1223525012839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223525013341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203920835556 + ... + 203920835561.

It is an arithmetic number, because the mean of its divisors is an integer number (407841671118).

Almost surely, 2^{1223525013351} is an apocalyptic number.

1223525013351 is a deficient number, since it is larger than the sum of its proper divisors (407841671121).

1223525013351 is an equidigital number, since it uses as much as digits as its factorization.

1223525013351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407841671120.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 1223525013351 in words is "one trillion, two hundred twenty-three billion, five hundred twenty-five million, thirteen thousand, three hundred fifty-one".