1023420523 has 8 divisors (see below), whose sum is σ = 1035579600. Its totient is φ = 1011276288.

The previous prime is 1023420509. The next prime is 1023420533. The reversal of 1023420523 is 3250243201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023420523 - 2²⁹ = 486549611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023420494 and 1023420503.

It is not an unprimeable number, because it can be changed into a prime (1023420533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199768 + ... + 204826.

It is an arithmetic number, because the mean of its divisors is an integer number (129447450).

Almost surely, 2^1023420523 is an apocalyptic number.

1023420523 is a deficient number, since it is larger than the sum of its proper divisors (12159077).

1023420523 is an equidigital number, since it uses as much as digits as its factorization.

1023420523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7421.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1023420523 is about 31990.9443905615. The cubic root of 1023420523 is about 1007.7466750636.

Adding to 1023420523 its reverse (3250243201), we get a palindrome (4273663724).

The spelling of 1023420523 in words is "one billion, twenty-three million, four hundred twenty thousand, five hundred twenty-three".