1523213245401 has 32 divisors (see below), whose sum is σ = 2247817142400. Its totient is φ = 913628782080.

The previous prime is 1523213245369. The next prime is 1523213245429. The reversal of 1523213245401 is 1045423123251.

It is not a de Polignac number, because 1523213245401 - 2⁵ = 1523213245369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1523213245441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7452316 + ... + 7653981.

It is an arithmetic number, because the mean of its divisors is an integer number (70244285700).

Almost surely, 2^{1523213245401} is an apocalyptic number.

It is an amenable number.

1523213245401 is a deficient number, since it is larger than the sum of its proper divisors (724603896999).

1523213245401 is a wasteful number, since it uses less digits than its factorization.

1523213245401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106409.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1523213245401 its reverse (1045423123251), we get a palindrome (2568636368652).

The spelling of 1523213245401 in words is "one trillion, five hundred twenty-three billion, two hundred thirteen million, two hundred forty-five thousand, four hundred one".