1023340241421 has 20 divisors (see below), whose sum is σ = 1528729425564. Its totient is φ = 682210771200.

The previous prime is 1023340241411. The next prime is 1023340241489. The reversal of 1023340241421 is 1241420433201.

1023340241421 is a `hidden beast` number, since 1 + 0 + 233 + 4 + 0 + 2 + 4 + 1 + 421 = 666.

1023340241421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 465949586025 + 557390655396 = 682605^2 + 746586^2 .

It is not a de Polignac number, because 1023340241421 - 2¹⁰ = 1023340240397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023340241411) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4037251 + ... + 4283231.

Almost surely, 2^{1023340241421} is an apocalyptic number.

It is an amenable number.

1023340241421 is a deficient number, since it is larger than the sum of its proper divisors (505389184143).

1023340241421 is an equidigital number, since it uses as much as digits as its factorization.

1023340241421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297354 (or 297345 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1023340241421 its reverse (1241420433201), we get a palindrome (2264760674622).

The spelling of 1023340241421 in words is "one trillion, twenty-three billion, three hundred forty million, two hundred forty-one thousand, four hundred twenty-one".