1023421413 has 16 divisors (see below), whose sum is σ = 1577024640. Its totient is φ = 578240256.

The previous prime is 1023421411. The next prime is 1023421423. The reversal of 1023421413 is 3141243201.

It is not a de Polignac number, because 1023421413 - 2¹ = 1023421411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023421413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023421411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271920 + ... + 275657.

It is an arithmetic number, because the mean of its divisors is an integer number (98564040).

Almost surely, 2^1023421413 is an apocalyptic number.

It is an amenable number.

1023421413 is a deficient number, since it is larger than the sum of its proper divisors (553603227).

1023421413 is an equidigital number, since it uses as much as digits as its factorization.

1023421413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547676.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1023421413 is about 31990.9583007449. The cubic root of 1023421413 is about 1007.7469671867.

Adding to 1023421413 its reverse (3141243201), we get a palindrome (4164664614).

The spelling of 1023421413 in words is "one billion, twenty-three million, four hundred twenty-one thousand, four hundred thirteen".